-Xzero

Enables reduction of the memory footprint of the Java™ runtime environment when concurrently running multiple Java invocations.

This option is deprecated and will be removed in a future release.

Start of content that applies only to Java 8 (LTS) This option can be used only with Java SE version 8 runtime environments. End of content that applies only to Java 8 (LTS)

-Xzero might not be appropriate for all types of applications because it changes the implementation of java.util.ZipFile, which might cause extra memory usage.

Syntax

Setting	Effect
`-Xzero:none`	Disable all sub options
`-Xzero:describe`	Prints the sub options in effect
`-Xzero:sharebootzip`	Enables the sharebootzip sub option
`-Xzero:nosharebootzip`	Disables the sharebootzip sub option

The following parameters are no longer supported. The options are parsed but do nothing:

Setting	Effect
`-Xzero:j9zip`	Enables the j9zip sub option
`-Xzero:noj9zip`	Disables the j9zip sub option
`-Xzero:sharezip`	Enables the sharezip sub option
`-Xzero:nosharezip`	Disables the sharezip sub option