http://www.oracle.com/technetwork/java/performance-138178.html
http://www.oracle.com/technetwork/java/javase/tech/index-jsp-140228.html
http://www.oracle.com/technetwork/java/javase/tech/index-jsp-140228.html
http://www.oracle.com/technetwork/java/javase/tech/index-jsp-136373.html
原文:http://www.cnblogs.com/WCFGROUP/p/5407649.html