Deprecated since Gecko 16 (Firefox 16 / Thunderbird 16 / SeaMonkey 2.13)
This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
Summary
Core Object
A top-level object used to access any Java class in the package java.*.
The support for this object was removed in Gecko 16, see LiveConnect for details.
Created by
The java object is a top-level, predefined JavaScript object. You can automatically access it without using a constructor or calling a method.
Description
The java object is a convenience synonym for the property Packages.java.