查找可用的jdk列表
[root@iZ233h3j7t6Z ~]# yum -y list java*
出现以下列表Loaded plugins: security base | 3.7 kB 00:00 base/primary_db | 4.6 MB 00:00 epel | 4.4 kB 00:00 epel/primary_db | 6.7 MB 00:01 extras | 3.4 kB 00:00 extras/primary_db | 26 kB 00:00 updates | 3.4 kB 00:00 updates/primary_db | 1.3 MB 00:00 Available Packages java-1.5.0-gcj.x86_64 1.5.0.0-29.1.el6 base java-1.5.0-gcj-devel.x86_64 1.5.0.0-29.1.el6 base java-1.5.0-gcj-javadoc.x86_64 1.5.0.0-29.1.el6 base java-1.5.0-gcj-src.x86_64 1.5.0.0-29.1.el6 base java-1.6.0-openjdk.x86_64 1:1.6.0.36-1.13.8.1.el6_7 updates java-1.6.0-openjdk-demo.x86_64 1:1.6.0.36-1.13.8.1.el6_7 updates java-1.6.0-openjdk-devel.x86_64 1:1.6.0.36-1.13.8.1.el6_7 updates java-1.6.0-openjdk-javadoc.x86_64 1:1.6.0.36-1.13.8.1.el6_7 updates java-1.6.0-openjdk-src.x86_64 1:1.6.0.36-1.13.8.1.el6_7 updates java-1.7.0-openjdk.x86_64 1:1.7.0.85-2.6.1.3.el6_7 updates java-1.7.0-openjdk-demo.x86_64 1:1.7.0.85-2.6.1.3.el6_7 updates java-1.7.0-openjdk-devel.x86_64 1:1.7.0.85-2.6.1.3.el6_7 updates java-1.7.0-openjdk-javadoc.noarch 1:1.7.0.85-2.6.1.3.el6_7 updates java-1.7.0-openjdk-src.x86_64 1:1.7.0.85-2.6.1.3.el6_7 updates java-1.8.0-openjdk.x86_64 1:1.8.0.51-1.b16.el6_7 updates java-1.8.0-openjdk-debug.x86_64 1:1.8.0.51-1.b16.el6_7 updates java-1.8.0-openjdk-demo.x86_64 1:1.8.0.51-1.b16.el6_7 updates java-1.8.0-openjdk-demo-debug.x86_64 1:1.8.0.51-1.b16.el6_7 updates java-1.8.0-openjdk-devel.x86_64 1:1.8.0.51-1.b16.el6_7 updates java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.51-1.b16.el6_7 updates java-1.8.0-openjdk-headless.x86_64 1:1.8.0.51-1.b16.el6_7 updates java-1.8.0-openjdk-headless-debug.x86_64 1:1.8.0.51-1.b16.el6_7 updates java-1.8.0-openjdk-javadoc.noarch 1:1.8.0.51-1.b16.el6_7 updates java-1.8.0-openjdk-javadoc-debug.noarch 1:1.8.0.51-1.b16.el6_7 updates java-1.8.0-openjdk-src.x86_64 1:1.8.0.51-1.b16.el6_7 updates java-1.8.0-openjdk-src-debug.x86_64 1:1.8.0.51-1.b16.el6_7 updates java-dirq.noarch 1.4-1.el6 epel java-dirq-javadoc.noarch 1.4-1.el6 epel java-sleep.noarch 2.1-6.el6 epel java-sleep-javadoc.noarch 2.1-6.el6 epel java_cup.x86_64 1:0.10k-5.el6 base java_cup-javadoc.x86_64 1:0.10k-5.el6 base java_cup-manual.x86_64 1:0.10k-5.el6 base javacc.x86_64 4.1-0.5.el6 base javacc-demo.x86_64 4.1-0.5.el6 base javacc-manual.x86_64 4.1-0.5.el6 base javassist.noarch 3.9.0-6.el6 base javassist-javadoc.noarch 3.9.0-6.el6 base javastroke.x86_64 0.5.1-24.el6 epel javatar.noarch 2.5-5.el6 epel javatar-javadoc.noarch 2.5-5.el6 epel
安装,注意要在root权限下
[root@iZ233h3j7t6Z ~]yum -y install java-1.6.0-openjdk*
这里1.6.0是版本号,换成你想安装的jdk版本就行。接下来等待自动下载和安装,无需配置环境变量安装完后输入
java -version
如果出现类似于以下输出的话,就说明安装成功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)