[java] Unit tests-related fixes


git-svn-id: http://haxe.googlecode.com/svn/trunk@6149 f16182fa-f095-11de-8f43-4547254af6c6
[java] Added ObjectMap


git-svn-id: http://haxe.googlecode.com/svn/trunk@6150 f16182fa-f095-11de-8f43-4547254af6c6