J2SDK1.5 Alpha 下载 http://java.sun.com/developer/earlyAccess/j2sdk150_alpha/New Language Features for Ease of Development in the Java 2 Platform, Standard Edition 1.5: A Conversation with Joshua Bloch http://java.sun.com/features/2003/05/bloch_qa.html
http://java.sun.com/features/2003/05/bloch_qa.html