AbstractRichIterable (Eclipse Collections

java.lang.Object
- org.eclipse.collections.impl.AbstractRichIterable<T>

All Implemented Interfaces:

Iterable<T>, InternalIterable<T>, RichIterable<T>

Direct Known Subclasses:

AbstractBag, AbstractImmutableCollection, AbstractLazyIterable, AbstractMapIterable, AbstractMutableCollection
```
public abstract class AbstractRichIterable<T>
extends Object
implements RichIterable<T>
```

Constructor Summary

Constructors
Constructor and Description

AbstractRichIterable()

Constructors
Constructor and Description
`AbstractRichIterable()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`allSatisfy(Predicate<? super T> predicate)` Returns true if the predicate evaluates to true for every element of the iterable or if the iterable is empty.
`<P> boolean`	`allSatisfyWith(Predicate2<? super T,? super P> predicate, P parameter)` Returns true if the predicate evaluates to true for every element of the collection, or returns false.
`boolean`	`anySatisfy(Predicate<? super T> predicate)` Returns true if the predicate evaluates to true for any element of the iterable.
`<P> boolean`	`anySatisfyWith(Predicate2<? super T,? super P> predicate, P parameter)` Returns true if the predicate evaluates to true for any element of the collection, or return false.
`void`	`appendString(Appendable appendable, String separator)` Prints a string representation of this collection onto the given `Appendable`.
`void`	`appendString(Appendable appendable, String start, String separator, String end)` Prints a string representation of this collection onto the given `Appendable`.
`LazyIterable<T>`	`asLazy()` Returns a lazy (deferred) iterable, most likely implemented by calling LazyIterate.adapt(this).
`<V,R extends Collection<V>> R`	`collect(Function<? super T,? extends V> function, R target)` Same as `RichIterable.collect(Function)`, except that the results are gathered into the specified `target` collection.
`<R extends MutableBooleanCollection> R`	`collectBoolean(BooleanFunction<? super T> booleanFunction, R target)` Same as `RichIterable.collectBoolean(BooleanFunction)`, except that the results are gathered into the specified `target` collection.
`<R extends MutableByteCollection> R`	`collectByte(ByteFunction<? super T> byteFunction, R target)` Same as `RichIterable.collectByte(ByteFunction)`, except that the results are gathered into the specified `target` collection.
`<R extends MutableCharCollection> R`	`collectChar(CharFunction<? super T> charFunction, R target)` Same as `RichIterable.collectChar(CharFunction)`, except that the results are gathered into the specified `target` collection.
`<R extends MutableDoubleCollection> R`	`collectDouble(DoubleFunction<? super T> doubleFunction, R target)` Same as `RichIterable.collectDouble(DoubleFunction)`, except that the results are gathered into the specified `target` collection.
`<R extends MutableFloatCollection> R`	`collectFloat(FloatFunction<? super T> floatFunction, R target)` Same as `RichIterable.collectFloat(FloatFunction)`, except that the results are gathered into the specified `target` collection.
`<V,R extends Collection<V>> R`	`collectIf(Predicate<? super T> predicate, Function<? super T,? extends V> function, R target)` Same as the collectIf method with two parameters but uses the specified target collection for the results.
`<R extends MutableIntCollection> R`	`collectInt(IntFunction<? super T> intFunction, R target)` Same as `RichIterable.collectInt(IntFunction)`, except that the results are gathered into the specified `target` collection.
`<R extends MutableLongCollection> R`	`collectLong(LongFunction<? super T> longFunction, R target)` Same as `RichIterable.collectLong(LongFunction)`, except that the results are gathered into the specified `target` collection.
`<R extends MutableShortCollection> R`	`collectShort(ShortFunction<? super T> shortFunction, R target)` Same as `RichIterable.collectShort(ShortFunction)`, except that the results are gathered into the specified `target` collection.
`<P,V,R extends Collection<V>> R`	`collectWith(Function2<? super T,? super P,? extends V> function, P parameter, R target)` Same as collectWith but with a targetCollection parameter to gather the results.
`boolean`	`contains(Object object)` Returns true if the iterable has an element which responds true to element.equals(object).
`boolean`	`containsAll(Collection<?> collection)` Returns true if all elements in source are contained in this collection.
`boolean`	`containsAllArguments(Object... elements)` Returns true if all elements in the specified var arg array are contained in this collection.
`boolean`	`containsAllIterable(Iterable<?> source)` Returns true if all elements in source are contained in this collection.
`int`	`count(Predicate<? super T> predicate)` Return the total number of elements that answer true to the specified predicate.
`<P> int`	`countWith(Predicate2<? super T,? super P> predicate, P parameter)` Returns the total number of elements that evaluate to true for the specified predicate.
`T`	`detect(Predicate<? super T> predicate)` Returns the first element of the iterable for which the predicate evaluates to true or null in the case where no element returns true.
`T`	`detectIfNone(Predicate<? super T> predicate, Function0<? extends T> function)` Returns the first element of the iterable for which the predicate evaluates to true.
`Optional<T>`	`detectOptional(Predicate<? super T> predicate)` Returns the first element of the iterable for which the predicate evaluates to true as an Optional.
`<P> T`	`detectWith(Predicate2<? super T,? super P> predicate, P parameter)` Returns the first element that evaluates to true for the specified predicate2 and parameter, or null if none evaluate to true.
`<P> T`	`detectWithIfNone(Predicate2<? super T,? super P> predicate, P parameter, Function0<? extends T> function)` Returns the first element of the iterable that evaluates to true for the specified predicate2 and parameter, or returns the value of evaluating the specified function.
`<P> Optional<T>`	`detectWithOptional(Predicate2<? super T,? super P> predicate, P parameter)` Returns the first element that evaluates to true for the specified predicate2 and parameter as an Optional.
`<V,R extends Collection<V>> R`	`flatCollect(Function<? super T,? extends Iterable<V>> function, R target)` Same as flatCollect, only the results are collected into the target collection.
`void`	`forEach(Procedure<? super T> procedure)` The procedure is executed for each element in the iterable.
`<P> void`	`forEachWith(Procedure2<? super T,? super P> procedure, P parameter)` The procedure2 is evaluated for each element in the iterable with the specified parameter provided as the second argument.
`void`	`forEachWithIndex(ObjectIntProcedure<? super T> objectIntProcedure)` Iterates over the iterable passing each element and the current relative int index to the specified instance of ObjectIntProcedure.
`<V,R extends MutableMultimap<V,T>> R`	`groupBy(Function<? super T,? extends V> function, R target)` Same as `RichIterable.groupBy(Function)`, except that the results are gathered into the specified `target` multimap.
`<V,R extends MutableMultimap<V,T>> R`	`groupByEach(Function<? super T,? extends Iterable<V>> function, R target)` Same as `RichIterable.groupByEach(Function)`, except that the results are gathered into the specified `target` multimap.
`<V,R extends MutableMap<V,T>> R`	`groupByUniqueKey(Function<? super T,? extends V> function, R target)` Same as `RichIterable.groupByUniqueKey(Function)`, except that the results are gathered into the specified `target` map.
`double`	`injectInto(double injectedValue, DoubleObjectToDoubleFunction<? super T> function)` Returns the final double result of evaluating function using each element of the iterable and the previous evaluation result as the parameters.
`float`	`injectInto(float injectedValue, FloatObjectToFloatFunction<? super T> function)` Returns the final float result of evaluating function using each element of the iterable and the previous evaluation result as the parameters.
`int`	`injectInto(int injectedValue, IntObjectToIntFunction<? super T> function)` Returns the final int result of evaluating function using each element of the iterable and the previous evaluation result as the parameters.
`<IV> IV`	`injectInto(IV injectedValue, Function2<? super IV,? super T,? extends IV> function)` Returns the final result of evaluating function using each element of the iterable and the previous evaluation result as the parameters.
`long`	`injectInto(long injectedValue, LongObjectToLongFunction<? super T> function)` Returns the final long result of evaluating function using each element of the iterable and the previous evaluation result as the parameters.
`<R extends Collection<T>> R`	`into(R target)` Adds all the elements in this iterable to the specific target Collection.
`boolean`	`isEmpty()` Returns true if this iterable has zero items.
`T`	`max()` Returns the maximum element out of this container based on the natural order.
`T`	`max(Comparator<? super T> comparator)` Returns the maximum element out of this container based on the comparator.
`<V extends Comparable<? super V>> T`	`maxBy(Function<? super T,? extends V> function)` Returns the maximum elements out of this container based on the natural order of the attribute returned by Function.
`T`	`min()` Returns the minimum element out of this container based on the natural order.
`T`	`min(Comparator<? super T> comparator)` Returns the minimum element out of this container based on the comparator.
`<V extends Comparable<? super V>> T`	`minBy(Function<? super T,? extends V> function)` Returns the minimum elements out of this container based on the natural order of the attribute returned by Function.
`boolean`	`noneSatisfy(Predicate<? super T> predicate)` Returns true if the predicate evaluates to false for every element of the iterable or if the iterable is empty.
`<P> boolean`	`noneSatisfyWith(Predicate2<? super T,? super P> predicate, P parameter)` Returns true if the predicate evaluates to false for every element of the collection, or return false.
`<R extends Collection<T>> R`	`reject(Predicate<? super T> predicate, R target)` Same as the reject method with one parameter but uses the specified target collection for the results.
`<P,R extends Collection<T>> R`	`rejectWith(Predicate2<? super T,? super P> predicate, P parameter, R target)` Similar to `RichIterable.reject(Predicate, Collection)`, except with an evaluation parameter for the second generic argument in `Predicate2`.
`<R extends Collection<T>> R`	`select(Predicate<? super T> predicate, R target)` Same as the select method with one parameter but uses the specified target collection for the results.
`<P,R extends Collection<T>> R`	`selectWith(Predicate2<? super T,? super P> predicate, P parameter, R target)` Similar to `RichIterable.select(Predicate, Collection)`, except with an evaluation parameter for the second generic argument in `Predicate2`.
`double`	`sumOfDouble(DoubleFunction<? super T> function)` Returns the final double result of evaluating function for each element of the iterable and adding the results together.
`double`	`sumOfFloat(FloatFunction<? super T> function)` Returns the final double result of evaluating function for each element of the iterable and adding the results together.
`long`	`sumOfInt(IntFunction<? super T> function)` Returns the final long result of evaluating function for each element of the iterable and adding the results together.
`long`	`sumOfLong(LongFunction<? super T> function)` Returns the final long result of evaluating function for each element of the iterable and adding the results together.
`Object[]`	`toArray()` Converts this iterable to an array.
`<E> E[]`	`toArray(E[] array)` Converts this iterable to an array using the specified target array, assuming the target array is as long or longer than the iterable.
`MutableBag<T>`	`toBag()` Converts the collection to the default MutableBag implementation.
`MutableList<T>`	`toList()` Converts the collection to a MutableList implementation.
`<K,V> MutableMap<K,V>`	`toMap(Function<? super T,? extends K> keyFunction, Function<? super T,? extends V> valueFunction)` Converts the collection to a MutableMap implementation using the specified key and value functions.
`MutableSet<T>`	`toSet()` Converts the collection to a MutableSet implementation.
`MutableSortedBag<T>`	`toSortedBag()` Converts the collection to a MutableSortedBag implementation and sorts it using the natural order of the elements.
`MutableSortedBag<T>`	`toSortedBag(Comparator<? super T> comparator)` Converts the collection to the MutableSortedBag implementation and sorts it using the specified comparator.
`<V extends Comparable<? super V>> MutableSortedBag<T>`	`toSortedBagBy(Function<? super T,? extends V> function)` Converts the collection to a MutableSortedBag implementation and sorts it based on the natural order of the attribute returned by `function`.
`MutableList<T>`	`toSortedList(Comparator<? super T> comparator)` Converts the collection to a MutableList implementation and sorts it using the specified comparator.
`<V extends Comparable<? super V>> MutableList<T>`	`toSortedListBy(Function<? super T,? extends V> function)` Converts the collection to a MutableList implementation and sorts it based on the natural order of the attribute returned by `function`.
`<K,V> MutableSortedMap<K,V>`	`toSortedMap(Comparator<? super K> comparator, Function<? super T,? extends K> keyFunction, Function<? super T,? extends V> valueFunction)` Converts the collection to a MutableSortedMap implementation using the specified key and value functions sorted by the given comparator.
`<K,V> MutableSortedMap<K,V>`	`toSortedMap(Function<? super T,? extends K> keyFunction, Function<? super T,? extends V> valueFunction)` Converts the collection to a MutableSortedMap implementation using the specified key and value functions sorted by the key elements' natural ordering.
`MutableSortedSet<T>`	`toSortedSet()` Converts the collection to a MutableSortedSet implementation and sorts it using the natural order of the elements.
`MutableSortedSet<T>`	`toSortedSet(Comparator<? super T> comparator)` Converts the collection to a MutableSortedSet implementation and sorts it using the specified comparator.
`<V extends Comparable<? super V>> MutableSortedSet<T>`	`toSortedSetBy(Function<? super T,? extends V> function)` Converts the collection to a MutableSortedSet implementation and sorts it based on the natural order of the attribute returned by `function`.
`String`	`toString()` Returns a string with the elements of the iterable separated by commas with spaces and enclosed in square brackets.
`<S,R extends Collection<Pair<T,S>>> R`	`zip(Iterable<S> that, R target)` Same as `RichIterable.zip(Iterable)` but uses `target` for output.
`<R extends Collection<Pair<T,Integer>>> R`	`zipWithIndex(R target)` Same as `RichIterable.zipWithIndex()` but uses `target` for output.

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.eclipse.collections.api.RichIterable
aggregateBy, aggregateInPlaceBy, appendString, chunk, collect, collectBoolean, collectByte, collectChar, collectDouble, collectFloat, collectIf, collectInt, collectLong, collectShort, collectWith, each, flatCollect, getFirst, getLast, getOnly, groupBy, groupByEach, groupByUniqueKey, makeString, makeString, makeString, notEmpty, partition, partitionWith, reduce, reduceInPlace, reduceInPlace, reject, rejectWith, select, selectInstancesOf, selectWith, size, sumByDouble, sumByFloat, sumByInt, sumByLong, summarizeDouble, summarizeFloat, summarizeInt, summarizeLong, tap, toSortedList, zip, zipWithIndex

Methods inherited from interface java.lang.Iterable
forEach, iterator, spliterator

- Constructor Detail
 - AbstractRichIterable
```
public AbstractRichIterable()
```
- Method Detail
 - contains
```
public boolean contains(Object object)
```
 Description copied from interface: RichIterable
 
 Returns true if the iterable has an element which responds true to element.equals(object).
 
 Specified by:
 
 contains in interface RichIterable<T>
 - containsAllIterable
```
public boolean containsAllIterable(Iterable<?> source)
```
 Description copied from interface: RichIterable
 
 Returns true if all elements in source are contained in this collection.
 
 Specified by:
 
 containsAllIterable in interface RichIterable<T>
 - containsAllArguments
```
public boolean containsAllArguments(Object... elements)
```
 Description copied from interface: RichIterable
 
 Returns true if all elements in the specified var arg array are contained in this collection.
 
 Specified by:
 
 containsAllArguments in interface RichIterable<T>
 - toArray
```
public Object[] toArray()
```
 Description copied from interface: RichIterable
 
 Converts this iterable to an array.
 
 Specified by:
 
 toArray in interface RichIterable<T>
 
 See Also:
 
 Collection.toArray()
 - toArray
```
public <E> E[] toArray(E[] array)
```
 Description copied from interface: RichIterable
 
 Converts this iterable to an array using the specified target array, assuming the target array is as long or longer than the iterable.
 
 Specified by:
 
 toArray in interface RichIterable<T>
 
 See Also:
 
 Collection.toArray(Object[])
 - isEmpty
```
public boolean isEmpty()
```
 Description copied from interface: RichIterable
 
 Returns true if this iterable has zero items.
 
 Specified by:
 
 isEmpty in interface RichIterable<T>
 - toList
```
public MutableList<T> toList()
```
 Description copied from interface: RichIterable
 
 Converts the collection to a MutableList implementation.
 
 Specified by:
 
 toList in interface RichIterable<T>
 - toSortedList
```
public MutableList<T> toSortedList(Comparator<? super T> comparator)
```
 Description copied from interface: RichIterable
 
 Converts the collection to a MutableList implementation and sorts it using the specified comparator.
 
 Specified by:
 
 toSortedList in interface RichIterable<T>
 - toSortedListBy
```
public <V extends Comparable<? super V>> MutableList<T> toSortedListBy(Function<? super T,? extends V> function)
```
 Description copied from interface: RichIterable
 
 Converts the collection to a MutableList implementation and sorts it based on the natural order of the attribute returned by function.
 
 Specified by:
 
 toSortedListBy in interface RichIterable<T>
 - toSortedSet
```
public MutableSortedSet<T> toSortedSet()
```
 Description copied from interface: RichIterable
 
 Converts the collection to a MutableSortedSet implementation and sorts it using the natural order of the elements.
 
 Specified by:
 
 toSortedSet in interface RichIterable<T>
 - toSortedSet
```
public MutableSortedSet<T> toSortedSet(Comparator<? super T> comparator)
```
 Description copied from interface: RichIterable
 
 Converts the collection to a MutableSortedSet implementation and sorts it using the specified comparator.
 
 Specified by:
 
 toSortedSet in interface RichIterable<T>
 - toSortedSetBy
```
public <V extends Comparable<? super V>> MutableSortedSet<T> toSortedSetBy(Function<? super T,? extends V> function)
```
 Description copied from interface: RichIterable
 
 Converts the collection to a MutableSortedSet implementation and sorts it based on the natural order of the attribute returned by function.
 
 Specified by:
 
 toSortedSetBy in interface RichIterable<T>
 - toSet
```
public MutableSet<T> toSet()
```
 Description copied from interface: RichIterable
 
 Converts the collection to a MutableSet implementation.
 
 Specified by:
 
 toSet in interface RichIterable<T>
 - toBag
```
public MutableBag<T> toBag()
```
 Description copied from interface: RichIterable
 
 Converts the collection to the default MutableBag implementation.
 
 Specified by:
 
 toBag in interface RichIterable<T>
 - toSortedBag
```
public MutableSortedBag<T> toSortedBag()
```
 Description copied from interface: RichIterable
 
 Converts the collection to a MutableSortedBag implementation and sorts it using the natural order of the elements.
 
 Specified by:
 
 toSortedBag in interface RichIterable<T>
 - toSortedBag
```
public MutableSortedBag<T> toSortedBag(Comparator<? super T> comparator)
```
 Description copied from interface: RichIterable
 
 Converts the collection to the MutableSortedBag implementation and sorts it using the specified comparator.
 
 Specified by:
 
 toSortedBag in interface RichIterable<T>
 - toSortedBagBy
```
public <V extends Comparable<? super V>> MutableSortedBag<T> toSortedBagBy(Function<? super T,? extends V> function)
```
 Description copied from interface: RichIterable
 
 Converts the collection to a MutableSortedBag implementation and sorts it based on the natural order of the attribute returned by function.
 
 Specified by:
 
 toSortedBagBy in interface RichIterable<T>
 - toMap
```
public <K,V> MutableMap<K,V> toMap(Function<? super T,? extends K> keyFunction,
 Function<? super T,? extends V> valueFunction)
```
 Description copied from interface: RichIterable
 
 Converts the collection to a MutableMap implementation using the specified key and value functions.
 
 Specified by:
 
 toMap in interface RichIterable<T>
 - toSortedMap
```
public <K,V> MutableSortedMap<K,V> toSortedMap(Function<? super T,? extends K> keyFunction,
 Function<? super T,? extends V> valueFunction)
```
 Description copied from interface: RichIterable
 
 Converts the collection to a MutableSortedMap implementation using the specified key and value functions sorted by the key elements' natural ordering.
 
 Specified by:
 
 toSortedMap in interface RichIterable<T>
 - toSortedMap
```
public <K,V> MutableSortedMap<K,V> toSortedMap(Comparator<? super K> comparator,
 Function<? super T,? extends K> keyFunction,
 Function<? super T,? extends V> valueFunction)
```
 Description copied from interface: RichIterable
 
 Converts the collection to a MutableSortedMap implementation using the specified key and value functions sorted by the given comparator.
 
 Specified by:
 
 toSortedMap in interface RichIterable<T>
 - select
```
public <R extends Collection<T>> R select(Predicate<? super T> predicate,
 R target)
```
 Description copied from interface: RichIterable
 Same as the select method with one parameter but uses the specified target collection for the results.
 Example using a Java 8 lambda expression:
```
 MutableList<Person> selected =
 people.select(person -> person.person.getLastName().equals("Smith"), Lists.mutable.empty());
 
```
 Example using an anonymous inner class:
```
 MutableList<Person> selected =
 people.select(new Predicate<Person>()
 {
 public boolean accept(Person person)
 {
 return person.person.getLastName().equals("Smith");
 }
 }, Lists.mutable.empty());
 
```
 Specified by:
 
 select in interface RichIterable<T>
 
 Parameters:
 
 predicate - a Predicate to use as the select criteria
 
 target - the Collection to append to for all elements in this RichIterable that meet select criteria predicate
 
 Returns:
 
 target, which contains appended elements as a result of the select criteria
 
 See Also:
 
 RichIterable.select(Predicate)
 - selectWith
```
public <P,R extends Collection<T>> R selectWith(Predicate2<? super T,? super P> predicate,
 P parameter,
 R target)
```
 Description copied from interface: RichIterable
 Similar to RichIterable.select(Predicate, Collection), except with an evaluation parameter for the second generic argument in Predicate2.
 E.g. return a Collection of Person elements where the person has an age greater than or equal to 18 years
 Example using a Java 8 lambda expression:
```
 MutableList<Person> selected =
 people.selectWith((Person person, Integer age) -> person.getAge() >= age, Integer.valueOf(18), Lists.mutable.empty());
 
```
 Example using an anonymous inner class:
```
 MutableList<Person> selected =
 people.selectWith(new Predicate2<Person, Integer>()
 {
 public boolean accept(Person person, Integer age)
 {
 return person.getAge() >= age;
 }
 }, Integer.valueOf(18), Lists.mutable.empty());
 
```
 Specified by:
 
 selectWith in interface RichIterable<T>
 
 Parameters:
 
 predicate - a Predicate2 to use as the select criteria
 
 parameter - a parameter to pass in for evaluation of the second argument P in predicate
 
 target - the Collection to append to for all elements in this RichIterable that meet select criteria predicate
 
 Returns:
 
 targetCollection, which contains appended elements as a result of the select criteria
 
 See Also:
 
 RichIterable.select(Predicate), RichIterable.select(Predicate, Collection)
 - reject
```
public <R extends Collection<T>> R reject(Predicate<? super T> predicate,
 R target)
```
 Description copied from interface: RichIterable
 Same as the reject method with one parameter but uses the specified target collection for the results.
 Example using a Java 8 lambda expression:
```
 MutableList<Person> rejected =
 people.reject(person -> person.person.getLastName().equals("Smith"), Lists.mutable.empty());
 
```
 Example using an anonymous inner class:
```
 MutableList<Person> rejected =
 people.reject(new Predicate<Person>()
 {
 public boolean accept(Person person)
 {
 return person.person.getLastName().equals("Smith");
 }
 }, Lists.mutable.empty());
 
```
 Specified by:
 
 reject in interface RichIterable<T>
 
 Parameters:
 
 predicate - a Predicate to use as the reject criteria
 
 target - the Collection to append to for all elements in this RichIterable that cause Predicate#accept(Object) method to evaluate to false
 
 Returns:
 
 target, which contains appended elements as a result of the reject criteria
 - rejectWith
```
public <P,R extends Collection<T>> R rejectWith(Predicate2<? super T,? super P> predicate,
 P parameter,
 R target)
```
 Description copied from interface: RichIterable
 Similar to RichIterable.reject(Predicate, Collection), except with an evaluation parameter for the second generic argument in Predicate2.
 E.g. return a Collection of Person elements where the person has an age greater than or equal to 18 years
 Example using a Java 8 lambda expression:
```
 MutableList<Person> rejected =
 people.rejectWith((Person person, Integer age) -> person.getAge() < age, Integer.valueOf(18), Lists.mutable.empty());
 
```
 Example using an anonymous inner class:
```
 MutableList<Person> rejected =
 people.rejectWith(new Predicate2<Person, Integer>()
 {
 public boolean accept(Person person, Integer age)
 {
 return person.getAge() < age;
 }
 }, Integer.valueOf(18), Lists.mutable.empty());
 
```
 Specified by:
 
 rejectWith in interface RichIterable<T>
 
 Parameters:
 
 predicate - a Predicate2 to use as the reject criteria
 
 parameter - a parameter to pass in for evaluation of the second argument P in predicate
 
 target - the Collection to append to for all elements in this RichIterable that cause Predicate#accept(Object) method to evaluate to false
 
 Returns:
 
 targetCollection, which contains appended elements as a result of the reject criteria
 
 See Also:
 
 RichIterable.reject(Predicate), RichIterable.reject(Predicate, Collection)
 - collect
```
public <V,R extends Collection<V>> R collect(Function<? super T,? extends V> function,
 R target)
```
 Description copied from interface: RichIterable
 Same as RichIterable.collect(Function), except that the results are gathered into the specified target collection.
 Example using a Java 8 lambda expression:
```
 MutableList<String> names =
 people.collect(person -> person.getFirstName() + " " + person.getLastName(), Lists.mutable.empty());
 
```
 Example using an anonymous inner class:
```
 MutableList<String> names =
 people.collect(new Function<Person, String>()
 {
 public String valueOf(Person person)
 {
 return person.getFirstName() + " " + person.getLastName();
 }
 }, Lists.mutable.empty());
 
```
 Specified by:
 
 collect in interface RichIterable<T>
 
 Parameters:
 
 function - a Function to use as the collect transformation function
 
 target - the Collection to append to for all elements in this RichIterable that meet select criteria function
 
 Returns:
 
 target, which contains appended elements as a result of the collect transformation
 
 See Also:
 
 RichIterable.collect(Function)
 - collectWith
```
public <P,V,R extends Collection<V>> R collectWith(Function2<? super T,? super P,? extends V> function,
 P parameter,
 R target)
```
 Description copied from interface: RichIterable
 Same as collectWith but with a targetCollection parameter to gather the results.
 Example using a Java 8 lambda expression:
```
 MutableSet<Integer> integers =
 Lists.mutable.with(1, 2, 3).collectWith((each, parameter) -> each + parameter, Integer.valueOf(1), Sets.mutable.empty());
 
```
 Example using an anonymous inner class:
```
 Function2 addParameterFunction =
 new Function2()
 {
 public Integer value(final Integer each, final Integer parameter)
 {
 return each + parameter;
 }
 };
 MutableSet<Integer> integers =
 Lists.mutable.with(1, 2, 3).collectWith(addParameterFunction, Integer.valueOf(1), Sets.mutable.empty());
 
```
 Specified by:
 
 collectWith in interface RichIterable<T>
 
 Parameters:
 
 function - a Function2 to use as the collect transformation function
 
 parameter - a parameter to pass in for evaluation of the second argument P in function
 
 target - the Collection to append to for all elements in this RichIterable that meet select criteria function
 
 Returns:
 
 targetCollection, which contains appended elements as a result of the collect transformation
 - collectIf
```
public <V,R extends Collection<V>> R collectIf(Predicate<? super T> predicate,
 Function<? super T,? extends V> function,
 R target)
```
 Description copied from interface: RichIterable
 
 Same as the collectIf method with two parameters but uses the specified target collection for the results.
 
 Specified by:
 
 collectIf in interface RichIterable<T>
 
 Parameters:
 
 predicate - a Predicate to use as the select criteria
 
 function - a Function to use as the collect transformation function
 
 target - the Collection to append to for all elements in this RichIterable that meet the collect criteria predicate
 
 Returns:
 
 targetCollection, which contains appended elements as a result of the collect criteria and transformation
 
 See Also:
 
 RichIterable.collectIf(Predicate, Function)
 - detectIfNone
```
public T detectIfNone(Predicate<? super T> predicate,
 Function0<? extends T> function)
```
 Description copied from interface: RichIterable
 
 Returns the first element of the iterable for which the predicate evaluates to true. If no element matches the predicate, then returns the value of applying the specified function.
 
 Specified by:
 
 detectIfNone in interface RichIterable<T>
 - detectWithIfNone
```
public  T detectWithIfNone(Predicate2<? super T,? super P> predicate,
 P parameter,
 Function0<? extends T> function)
```
 Description copied from interface: RichIterable
 
 Returns the first element of the iterable that evaluates to true for the specified predicate2 and parameter, or returns the value of evaluating the specified function.
 
 Specified by:
 
 detectWithIfNone in interface RichIterable<T>
 - min
```
public T min(Comparator<? super T> comparator)
```
 Description copied from interface: RichIterable
 
 Returns the minimum element out of this container based on the comparator.
 
 Specified by:
 
 min in interface RichIterable<T>
 - max
```
public T max(Comparator<? super T> comparator)
```
 Description copied from interface: RichIterable
 
 Returns the maximum element out of this container based on the comparator.
 
 Specified by:
 
 max in interface RichIterable<T>
 - min
```
public T min()
```
 Description copied from interface: RichIterable
 
 Returns the minimum element out of this container based on the natural order.
 
 Specified by:
 
 min in interface RichIterable<T>
 - max
```
public T max()
```
 Description copied from interface: RichIterable
 
 Returns the maximum element out of this container based on the natural order.
 
 Specified by:
 
 max in interface RichIterable<T>
 - minBy
```
public <V extends Comparable<? super V>> T minBy(Function<? super T,? extends V> function)
```
 Description copied from interface: RichIterable
 
 Returns the minimum elements out of this container based on the natural order of the attribute returned by Function.
 
 Specified by:
 
 minBy in interface RichIterable<T>
 - maxBy
```
public <V extends Comparable<? super V>> T maxBy(Function<? super T,? extends V> function)
```
 Description copied from interface: RichIterable
 
 Returns the maximum elements out of this container based on the natural order of the attribute returned by Function.
 
 Specified by:
 
 maxBy in interface RichIterable<T>
 - asLazy
```
public LazyIterable<T> asLazy()
```
 Description copied from interface: RichIterable
 
 Returns a lazy (deferred) iterable, most likely implemented by calling LazyIterate.adapt(this).
 
 Specified by:
 
 asLazy in interface RichIterable<T>
 - flatCollect
```
public <V,R extends Collection<V>> R flatCollect(Function<? super T,? extends Iterable<V>> function,
 R target)
```
 Description copied from interface: RichIterable
 
 Same as flatCollect, only the results are collected into the target collection.
 
 Specified by:
 
 flatCollect in interface RichIterable<T>
 
 Parameters:
 
 function - The Function to apply
 
 target - The collection into which results should be added.
 
 Returns:
 
 target, which will contain a flattened collection of results produced by applying the given function
 
 See Also:
 
 RichIterable.flatCollect(Function)
 - detect
```
public T detect(Predicate<? super T> predicate)
```
 Description copied from interface: RichIterable
 Returns the first element of the iterable for which the predicate evaluates to true or null in the case where no element returns true. This method is commonly called find.
 Example using a Java 8 lambda expression:
```
 Person person =
 people.detect(person -> person.getFirstName().equals("John") && person.getLastName().equals("Smith"));
 
```
 Example using an anonymous inner class:
```
 Person person =
 people.detect(new Predicate<Person>()
 {
 public boolean accept(Person person)
 {
 return person.getFirstName().equals("John") && person.getLastName().equals("Smith");
 }
 });
 
```
 Specified by:
 
 detect in interface RichIterable<T>
 - detectWith
```
public  T detectWith(Predicate2<? super T,? super P> predicate,
 P parameter)
```
 Description copied from interface: RichIterable
 Returns the first element that evaluates to true for the specified predicate2 and parameter, or null if none evaluate to true.
 Example using a Java 8 lambda expression:
```
 Person person =
 people.detectWith((person, fullName) -> person.getFullName().equals(fullName), "John Smith");
 
```
 Example using an anonymous inner class:
```
 Person person =
 people.detectWith(new Predicate2<Person, String>()
 {
 public boolean accept(Person person, String fullName)
 {
 return person.getFullName().equals(fullName);
 }
 }, "John Smith");
 
```
 Specified by:
 
 detectWith in interface RichIterable<T>
 - detectOptional
```
public Optional<T> detectOptional(Predicate<? super T> predicate)
```
 Description copied from interface: RichIterable
 Returns the first element of the iterable for which the predicate evaluates to true as an Optional. This method is commonly called find.
 Example using a Java 8 lambda expression:
```
 Person person =
 people.detectOptional(person -> person.getFirstName().equals("John") && person.getLastName().equals("Smith"));
 
```
 Specified by:
 
 detectOptional in interface RichIterable<T>
 - detectWithOptional
```
public  Optional<T> detectWithOptional(Predicate2<? super T,? super P> predicate,
 P parameter)
```
 Description copied from interface: RichIterable
 Returns the first element that evaluates to true for the specified predicate2 and parameter as an Optional.
 Example using a Java 8 lambda expression:
```
 Optional<Person> person =
 people.detectWithOptional((person, fullName) -> person.getFullName().equals(fullName), "John Smith");
 
```
 Specified by:
 
 detectWithOptional in interface RichIterable<T>
 - anySatisfy
```
public boolean anySatisfy(Predicate<? super T> predicate)
```
 Description copied from interface: RichIterable
 
 Returns true if the predicate evaluates to true for any element of the iterable. Returns false if the iterable is empty, or if no element returned true when evaluating the predicate.
 
 Specified by:
 
 anySatisfy in interface RichIterable<T>
 - allSatisfy
```
public boolean allSatisfy(Predicate<? super T> predicate)
```
 Description copied from interface: RichIterable
 
 Returns true if the predicate evaluates to true for every element of the iterable or if the iterable is empty. Otherwise, returns false.
 
 Specified by:
 
 allSatisfy in interface RichIterable<T>
 - noneSatisfy
```
public boolean noneSatisfy(Predicate<? super T> predicate)
```
 Description copied from interface: RichIterable
 
 Returns true if the predicate evaluates to false for every element of the iterable or if the iterable is empty. Otherwise, returns false.
 
 Specified by:
 
 noneSatisfy in interface RichIterable<T>
 - anySatisfyWith
```
public  boolean anySatisfyWith(Predicate2<? super T,? super P> predicate,
 P parameter)
```
 Description copied from interface: RichIterable
 
 Returns true if the predicate evaluates to true for any element of the collection, or return false. Returns false if the collection is empty.
 
 Specified by:
 
 anySatisfyWith in interface RichIterable<T>
 - allSatisfyWith
```
public  boolean allSatisfyWith(Predicate2<? super T,? super P> predicate,
 P parameter)
```
 Description copied from interface: RichIterable
 
 Returns true if the predicate evaluates to true for every element of the collection, or returns false.
 
 Specified by:
 
 allSatisfyWith in interface RichIterable<T>
 - noneSatisfyWith
```
public  boolean noneSatisfyWith(Predicate2<? super T,? super P> predicate,
 P parameter)
```
 Description copied from interface: RichIterable
 
 Returns true if the predicate evaluates to false for every element of the collection, or return false. Returns true if the collection is empty.
 
 Specified by:
 
 noneSatisfyWith in interface RichIterable<T>
 - count
```
public int count(Predicate<? super T> predicate)
```
 Description copied from interface: RichIterable
 Return the total number of elements that answer true to the specified predicate.
 Example using a Java 8 lambda expression:
```
 int count =
 people.count(person -> person.getAddress().getState().getName().equals("New York"));
 
```
 Example using an anonymous inner class:
```
 int count =
 people.count(new Predicate<Person>()
 {
 public boolean accept(Person person)
 {
 return person.getAddress().getState().getName().equals("New York");
 }
 });
 
```
 Specified by:
 
 count in interface RichIterable<T>
 - countWith
```
public  int countWith(Predicate2<? super T,? super P> predicate,
 P parameter)
```
 Description copied from interface: RichIterable
 Returns the total number of elements that evaluate to true for the specified predicate.
```
e.g.
 return lastNames.countWith(Predicates2.equal(), "Smith");
 
```
 Specified by:
 
 countWith in interface RichIterable<T>
 - injectInto
```
public <IV> IV injectInto(IV injectedValue,
 Function2<? super IV,? super T,? extends IV> function)
```
 Description copied from interface: RichIterable
 
 Returns the final result of evaluating function using each element of the iterable and the previous evaluation result as the parameters. The injected value is used for the first parameter of the first evaluation, and the current item in the iterable is used as the second parameter. This method is commonly called fold or sometimes reduce.
 
 Specified by:
 
 injectInto in interface RichIterable<T>
 - injectInto
```
public int injectInto(int injectedValue,
 IntObjectToIntFunction<? super T> function)
```
 Description copied from interface: RichIterable
 
 Returns the final int result of evaluating function using each element of the iterable and the previous evaluation result as the parameters. The injected value is used for the first parameter of the first evaluation, and the current item in the iterable is used as the second parameter.
 
 Specified by:
 
 injectInto in interface RichIterable<T>
 - injectInto
```
public long injectInto(long injectedValue,
 LongObjectToLongFunction<? super T> function)
```
 Description copied from interface: RichIterable
 
 Returns the final long result of evaluating function using each element of the iterable and the previous evaluation result as the parameters. The injected value is used for the first parameter of the first evaluation, and the current item in the iterable is used as the second parameter.
 
 Specified by:
 
 injectInto in interface RichIterable<T>
 - injectInto
```
public double injectInto(double injectedValue,
 DoubleObjectToDoubleFunction<? super T> function)
```
 Description copied from interface: RichIterable
 
 Returns the final double result of evaluating function using each element of the iterable and the previous evaluation result as the parameters. The injected value is used for the first parameter of the first evaluation, and the current item in the iterable is used as the second parameter.
 
 Specified by:
 
 injectInto in interface RichIterable<T>
 - into
```
public <R extends Collection<T>> R into(R target)
```
 Description copied from interface: RichIterable
 
 Adds all the elements in this iterable to the specific target Collection.
 
 Specified by:
 
 into in interface RichIterable<T>
 - injectInto
```
public float injectInto(float injectedValue,
 FloatObjectToFloatFunction<? super T> function)
```
 Description copied from interface: RichIterable
 
 Returns the final float result of evaluating function using each element of the iterable and the previous evaluation result as the parameters. The injected value is used for the first parameter of the first evaluation, and the current item in the iterable is used as the second parameter.
 
 Specified by:
 
 injectInto in interface RichIterable<T>
 - sumOfInt
```
public long sumOfInt(IntFunction<? super T> function)
```
 Description copied from interface: RichIterable
 
 Returns the final long result of evaluating function for each element of the iterable and adding the results together.
 
 Specified by:
 
 sumOfInt in interface RichIterable<T>
 - sumOfFloat
```
public double sumOfFloat(FloatFunction<? super T> function)
```
 Description copied from interface: RichIterable
 
 Returns the final double result of evaluating function for each element of the iterable and adding the results together. It uses Kahan summation algorithm to reduce numerical error.
 
 Specified by:
 
 sumOfFloat in interface RichIterable<T>
 - sumOfLong
```
public long sumOfLong(LongFunction<? super T> function)
```
 Description copied from interface: RichIterable
 
 Returns the final long result of evaluating function for each element of the iterable and adding the results together.
 
 Specified by:
 
 sumOfLong in interface RichIterable<T>
 - sumOfDouble
```
public double sumOfDouble(DoubleFunction<? super T> function)
```
 Description copied from interface: RichIterable
 
 Returns the final double result of evaluating function for each element of the iterable and adding the results together. It uses Kahan summation algorithm to reduce numerical error.
 
 Specified by:
 
 sumOfDouble in interface RichIterable<T>
 - forEachWithIndex
```
public void forEachWithIndex(ObjectIntProcedure<? super T> objectIntProcedure)
```
 Description copied from interface: InternalIterable
 Iterates over the iterable passing each element and the current relative int index to the specified instance of ObjectIntProcedure.
 Example using a Java 8 lambda:
```
 people.forEachWithIndex((Person person, int index) -> LOGGER.info("Index: " + index + " person: " + person.getName()));
 
```
 Example using an anonymous inner class:
```
 people.forEachWithIndex(new ObjectIntProcedure()
 {
 public void value(Person person, int index)
 {
 LOGGER.info("Index: " + index + " person: " + person.getName());
 }
 });
 
```
 Specified by:
 
 forEachWithIndex in interface InternalIterable<T>
 - forEach
```
public final void forEach(Procedure<? super T> procedure)
```
 Description copied from interface: InternalIterable
 The procedure is executed for each element in the iterable.
 Example using a Java 8 lambda:
```
 people.forEach(Procedures.cast(person -> LOGGER.info(person.getName())));
 
```
 Example using an anonymous inner class:
```
 people.forEach(new Procedure()
 {
 public void value(Person person)
 {
 LOGGER.info(person.getName());
 }
 });
 
```
 NOTE: This method started to conflict with Iterable.forEach(java.util.function.Consumer) since Java 1.8. It is recommended to use RichIterable.each(Procedure) instead to avoid casting to Procedure.
 Specified by:
 
 forEach in interface InternalIterable<T>
 
 See Also:
 
 RichIterable.each(Procedure), Iterable.forEach(java.util.function.Consumer)
 - forEachWith
```
public  void forEachWith(Procedure2<? super T,? super P> procedure,
 P parameter)
```
 Description copied from interface: InternalIterable
 The procedure2 is evaluated for each element in the iterable with the specified parameter provided as the second argument.
 Example using a Java 8 lambda:
```
 people.forEachWith((Person person, Person other) ->
 {
 if (person.isRelatedTo(other))
 {
 LOGGER.info(person.getName());
 }
 }, fred);
 
```
 Example using an anonymous inner class:
```
 people.forEachWith(new Procedure2()
 {
 public void value(Person person, Person other)
 {
 if (person.isRelatedTo(other))
 {
 LOGGER.info(person.getName());
 }
 }
 }, fred);
 
```
 Specified by:
 
 forEachWith in interface InternalIterable<T>
 - zip
```
public <S,R extends Collection<Pair<T,S>>> R zip(Iterable<S> that,
 R target)
```
 Description copied from interface: RichIterable
 
 Same as RichIterable.zip(Iterable) but uses target for output.
 
 Specified by:
 
 zip in interface RichIterable<T>
 - zipWithIndex
```
public <R extends Collection<Pair<T,Integer>>> R zipWithIndex(R target)
```
 Description copied from interface: RichIterable
 
 Same as RichIterable.zipWithIndex() but uses target for output.
 
 Specified by:
 
 zipWithIndex in interface RichIterable<T>
 - toString
```
public String toString()
```
 Returns a string with the elements of the iterable separated by commas with spaces and enclosed in square brackets.
```
 Assert.assertEquals("[]", Lists.mutable.empty().toString());
 Assert.assertEquals("[1]", Lists.mutable.with(1).toString());
 Assert.assertEquals("[1, 2, 3]", Lists.mutable.with(1, 2, 3).toString());
 
```
 Specified by:
 
 toString in interface RichIterable<T>
 
 Overrides:
 
 toString in class Object
 
 Returns:
 
 a string representation of this collection.
 
 See Also:
 
 AbstractCollection.toString()
 - appendString
```
public void appendString(Appendable appendable,
 String separator)
```
 Description copied from interface: RichIterable
 
 Prints a string representation of this collection onto the given Appendable. Prints the string returned by RichIterable.makeString(String).
 
 Specified by:
 
 appendString in interface RichIterable<T>
 - appendString
```
public void appendString(Appendable appendable,
 String start,
 String separator,
 String end)
```
 Description copied from interface: RichIterable
 
 Prints a string representation of this collection onto the given Appendable. Prints the string returned by RichIterable.makeString(String, String, String).
 
 Specified by:
 
 appendString in interface RichIterable<T>
 - containsAll
```
public boolean containsAll(Collection<?> collection)
```
 Description copied from interface: RichIterable
 
 Returns true if all elements in source are contained in this collection.
 
 Specified by:
 
 containsAll in interface RichIterable<T>
 
 See Also:
 
 Collection.containsAll(Collection)
 - collectBoolean
```
public <R extends MutableBooleanCollection> R collectBoolean(BooleanFunction<? super T> booleanFunction,
 R target)
```
 Description copied from interface: RichIterable
 Same as RichIterable.collectBoolean(BooleanFunction), except that the results are gathered into the specified target collection.
 Example using a Java 8 lambda expression:
```
 BooleanArrayList licenses =
 people.collectBoolean(person -> person.hasDrivingLicense(), new BooleanArrayList());
 
```
 Example using an anonymous inner class:
```
 BooleanArrayList licenses =
 people.collectBoolean(new BooleanFunction<Person>()
 {
 public boolean booleanValueOf(Person person)
 {
 return person.hasDrivingLicense();
 }
 }, new BooleanArrayList());
 
```
 Specified by:
 
 collectBoolean in interface RichIterable<T>
 
 Parameters:
 
 booleanFunction - a BooleanFunction to use as the collect transformation function
 
 target - the MutableBooleanCollection to append to for all elements in this RichIterable
 
 Returns:
 
 target, which contains appended elements as a result of the collect transformation
 - collectByte
```
public <R extends MutableByteCollection> R collectByte(ByteFunction<? super T> byteFunction,
 R target)
```
 Description copied from interface: RichIterable
 Same as RichIterable.collectByte(ByteFunction), except that the results are gathered into the specified target collection.
 Example using a Java 8 lambda expression:
```
 ByteArrayList bytes =
 people.collectByte(person -> person.getCode(), new ByteArrayList());
 
```
 Example using an anonymous inner class:
```
 ByteArrayList bytes =
 people.collectByte(new ByteFunction<Person>()
 {
 public byte byteValueOf(Person person)
 {
 return person.getCode();
 }
 }, new ByteArrayList());
 
```
 Specified by:
 
 collectByte in interface RichIterable<T>
 
 Parameters:
 
 byteFunction - a ByteFunction to use as the collect transformation function
 
 target - the MutableByteCollection to append to for all elements in this RichIterable
 
 Returns:
 
 target, which contains appended elements as a result of the collect transformation
 - collectChar
```
public <R extends MutableCharCollection> R collectChar(CharFunction<? super T> charFunction,
 R target)
```
 Description copied from interface: RichIterable
 Same as RichIterable.collectChar(CharFunction), except that the results are gathered into the specified target collection.
 Example using a Java 8 lambda expression:
```
 CharArrayList chars =
 people.collectChar(person -> person.getMiddleInitial(), new CharArrayList());
 
```
 Example using an anonymous inner class:
```
 CharArrayList chars =
 people.collectChar(new CharFunction<Person>()
 {
 public char charValueOf(Person person)
 {
 return person.getMiddleInitial();
 }
 }, new CharArrayList());
 
```
 Specified by:
 
 collectChar in interface RichIterable<T>
 
 Parameters:
 
 charFunction - a CharFunction to use as the collect transformation function
 
 target - the MutableCharCollection to append to for all elements in this RichIterable
 
 Returns:
 
 target, which contains appended elements as a result of the collect transformation
 - collectDouble
```
public <R extends MutableDoubleCollection> R collectDouble(DoubleFunction<? super T> doubleFunction,
 R target)
```
 Description copied from interface: RichIterable
 Same as RichIterable.collectDouble(DoubleFunction), except that the results are gathered into the specified target collection.
 Example using a Java 8 lambda expression:
```
 DoubleArrayList doubles =
 people.collectDouble(person -> person.getMilesFromNorthPole(), new DoubleArrayList());
 
```
 Example using an anonymous inner class:
```
 DoubleArrayList doubles =
 people.collectDouble(new DoubleFunction<Person>()
 {
 public double doubleValueOf(Person person)
 {
 return person.getMilesFromNorthPole();
 }
 }, new DoubleArrayList());
 
```
 Specified by:
 
 collectDouble in interface RichIterable<T>
 
 Parameters:
 
 doubleFunction - a DoubleFunction to use as the collect transformation function
 
 target - the MutableDoubleCollection to append to for all elements in this RichIterable
 
 Returns:
 
 target, which contains appended elements as a result of the collect transformation
 - collectFloat
```
public <R extends MutableFloatCollection> R collectFloat(FloatFunction<? super T> floatFunction,
 R target)
```
 Description copied from interface: RichIterable
 Same as RichIterable.collectFloat(FloatFunction), except that the results are gathered into the specified target collection.
 Example using a Java 8 lambda expression:
```
 FloatArrayList floats =
 people.collectFloat(person -> person.getHeightInInches(), new FloatArrayList());
 
```
 Example using an anonymous inner class:
```
 FloatArrayList floats =
 people.collectFloat(new FloatFunction<Person>()
 {
 public float floatValueOf(Person person)
 {
 return person.getHeightInInches();
 }
 }, new FloatArrayList());
 
```
 Specified by:
 
 collectFloat in interface RichIterable<T>
 
 Parameters:
 
 floatFunction - a FloatFunction to use as the collect transformation function
 
 target - the MutableFloatCollection to append to for all elements in this RichIterable
 
 Returns:
 
 target, which contains appended elements as a result of the collect transformation
 - collectInt
```
public <R extends MutableIntCollection> R collectInt(IntFunction<? super T> intFunction,
 R target)
```
 Description copied from interface: RichIterable
 Same as RichIterable.collectInt(IntFunction), except that the results are gathered into the specified target collection.
 Example using a Java 8 lambda expression:
```
 IntArrayList ints =
 people.collectInt(person -> person.getAge(), new IntArrayList());
 
```
 Example using an anonymous inner class:
```
 IntArrayList ints =
 people.collectInt(new IntFunction<Person>()
 {
 public int intValueOf(Person person)
 {
 return person.getAge();
 }
 }, new IntArrayList());
 
```
 Specified by:
 
 collectInt in interface RichIterable<T>
 
 Parameters:
 
 intFunction - a IntFunction to use as the collect transformation function
 
 target - the MutableIntCollection to append to for all elements in this RichIterable
 
 Returns:
 
 target, which contains appended elements as a result of the collect transformation
 - collectLong
```
public <R extends MutableLongCollection> R collectLong(LongFunction<? super T> longFunction,
 R target)
```
 Description copied from interface: RichIterable
 Same as RichIterable.collectLong(LongFunction), except that the results are gathered into the specified target collection.
 Example using a Java 8 lambda expression:
```
 LongArrayList longs =
 people.collectLong(person -> person.getGuid(), new LongArrayList());
 
```
 Example using an anonymous inner class:
```
 LongArrayList longs =
 people.collectLong(new LongFunction<Person>()
 {
 public long longValueOf(Person person)
 {
 return person.getGuid();
 }
 }, new LongArrayList());
 
```
 Specified by:
 
 collectLong in interface RichIterable<T>
 
 Parameters:
 
 longFunction - a LongFunction to use as the collect transformation function
 
 target - the MutableLongCollection to append to for all elements in this RichIterable
 
 Returns:
 
 target, which contains appended elements as a result of the collect transformation
 - collectShort
```
public <R extends MutableShortCollection> R collectShort(ShortFunction<? super T> shortFunction,
 R target)
```
 Description copied from interface: RichIterable
 Same as RichIterable.collectShort(ShortFunction), except that the results are gathered into the specified target collection.
 Example using a Java 8 lambda expression:
```
 ShortArrayList shorts =
 people.collectShort(person -> person.getNumberOfJunkMailItemsReceivedPerMonth, new ShortArrayList());
 
```
 Example using an anonymous inner class:
```
 ShortArrayList shorts =
 people.collectShort(new ShortFunction<Person>()
 {
 public short shortValueOf(Person person)
 {
 return person.getNumberOfJunkMailItemsReceivedPerMonth;
 }
 }, new ShortArrayList());
 
```
 Specified by:
 
 collectShort in interface RichIterable<T>
 
 Parameters:
 
 shortFunction - a ShortFunction to use as the collect transformation function
 
 target - the MutableShortCollection to append to for all elements in this RichIterable
 
 Returns:
 
 target, which contains appended elements as a result of the collect transformation
 - groupBy
```
public <V,R extends MutableMultimap<V,T>> R groupBy(Function<? super T,? extends V> function,
 R target)
```
 Description copied from interface: RichIterable
 Same as RichIterable.groupBy(Function), except that the results are gathered into the specified target multimap.
 Example using a Java 8 method reference:
```
 FastListMultimap<String, Person> peopleByLastName =
 people.groupBy(Person::getLastName, new FastListMultimap<String, Person>());
 
```
 Example using an anonymous inner class:
```
 FastListMultimap<String, Person> peopleByLastName =
 people.groupBy(new Function<Person, String>()
 {
 public String valueOf(Person person)
 {
 return person.getLastName();
 }
 }, new FastListMultimap<String, Person>());
 
```
 Specified by:
 
 groupBy in interface RichIterable<T>
 - groupByEach
```
public <V,R extends MutableMultimap<V,T>> R groupByEach(Function<? super T,? extends Iterable<V>> function,
 R target)
```
 Description copied from interface: RichIterable
 
 Same as RichIterable.groupByEach(Function), except that the results are gathered into the specified target multimap.
 
 Specified by:
 
 groupByEach in interface RichIterable<T>
 - groupByUniqueKey
```
public <V,R extends MutableMap<V,T>> R groupByUniqueKey(Function<? super T,? extends V> function,
 R target)
```
 Description copied from interface: RichIterable
 
 Same as RichIterable.groupByUniqueKey(Function), except that the results are gathered into the specified target map.
 
 Specified by:
 
 groupByUniqueKey in interface RichIterable<T>
 
 See Also:
 
 RichIterable.groupByUniqueKey(Function)

Class AbstractRichIterable<T>

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface org.eclipse.collections.api.RichIterable

Methods inherited from interface java.lang.Iterable

Constructor Detail

AbstractRichIterable

Method Detail

contains

containsAllIterable

containsAllArguments

toArray

toArray

isEmpty

toList

toSortedList

toSortedListBy

toSortedSet

toSortedSet

toSortedSetBy

toSet

toBag

toSortedBag

toSortedBag

toSortedBagBy

toMap

toSortedMap

toSortedMap

select

selectWith

reject

rejectWith

collect

collectWith

collectIf

detectIfNone

detectWithIfNone

min

max

min

max

minBy

maxBy

asLazy

flatCollect

detect

detectWith

detectOptional

detectWithOptional

anySatisfy

allSatisfy

noneSatisfy

anySatisfyWith

allSatisfyWith

noneSatisfyWith

count

countWith

injectInto

injectInto

injectInto

injectInto

into

injectInto

sumOfInt

sumOfFloat

sumOfLong

sumOfDouble

forEachWithIndex

forEach

forEachWith

zip

zipWithIndex

toString

appendString

appendString

containsAll

collectBoolean

collectByte

collectChar