1. 总地址：http://www.oracle.com/technetwork/java/archive-139210.html
2. JDK8：http://www.oracle.com/technetwork/java/javase/downloads/java-archive-javase8-2177648.html
3. JDK7：http://www.oracle.com/technetwork/java/javase/downloads/java-archive-downloads-javase7-521261.html
或1.7.79：http://www.oracle.com/technetwork/cn/java/javase/downloads/jdk7-downloads-1880260.html
4. JDK6：http://www.oracle.com/technetwork/java/javase/downloads/java-archive-downloads-javase6-419409.html
或：http://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-javase6-419409.html
5. JDK5：http://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-javase5-419410.html
6. JDK1.4：http://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-javase14-419411.html