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jdk的下载：
http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html
? src rpm -ivh jdk-8u101-linux-x64.rpm
? /usr ls bin games java lib64 local share tmp etc include lib libexec sbin src ? /usr pwd /usr
? java rpm -qa|grep jdk jdk1.8.0_101-1.8.0_101-fcs.x86_64 ? java ls default jdk1.8.0_101 latest
? java java -version java version "1.8.0_101" Java(TM) SE Runtime Environment (build 1.8.0_101-b13) Java HotSpot(TM) 64-Bit Server VM (build 25.101-b13, mixed mode)
写个小编序,来测试：
? ~ cat Hello.java public class Hello { public static void main(String[] args) { System.out.println("Hello"); } }
编译：
? ~ javac Hello.java
执行：
? ~ java Hello
Hello
测试成功！！！
卸载JDK：（并没有测试）
? ~ rpm -qa|grep jdk jdk1.8.0_101-1.8.0_101-fcs.x86_64 ? ~ rpm -e --nodeps jdk1.8.0_101-1.8.0_101-fcs.x86_64
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原文地址：http://www.cnblogs.com/bass6/p/5838634.html
