Lion Update - July 21, 2011 Details about OS X Lion and Java 1.5 are here. Important Update - April 11, 2011 BEFORE YOU UPDATE JAVA: If you have a working 1.5 setup already, back up your /System/Library/Frameworks/JavaVM.framework/Versions/1.5.0 directory before you update Java from Software Update, just in case something goes wrong: cd /System/Library/Frameworks/JavaVM.framework/Versions sudo cp