如何下载java的jdk

1、https://www.oracle.com/index.html

 

2、https://www.oracle.com/downloads/index.html

 

3、https://www.oracle.com/technetwork/java/javase/downloads/index.html

 

 

4、https://www.oracle.com/technetwork/java/javase/archive-139210.html

 

 

5、https://www.oracle.com/technetwork/java/javase/downloads/java-archive-downloads-javase7-521261.html