输出结果如下：
lrwxrwxrwx. 1 root root 29 Dec 2 16:24 jar -> /usr/java/jdk1.8.0_25/bin/jar lrwxrwxrwx. 1 root root 34 Dec 2 16:24 java -> /usr/java/jdk1.8.0_25/jre/bin/java lrwxrwxrwx. 1 root root 31 Dec 2 16:24 javac -> /usr/java/jdk1.8.0_25/bin/javac lrwxrwxrwx. 1 root root 36 Dec 2 16:24 javaws -> /usr/java/jdk1.8.0_25/jre/bin/javaws [...]没错！现在我们用如下的命令来查看java版本：
java -version输出结果如下：
java version "1.8.0_25" Java(TM) SE Runtime Environment (build 1.8.0_25-b17) Java HotSpot(TM) 64-Bit Server VM (build 25.25-b02, mixed mode)恭喜！安装完成。