CentOS 服务器安装jdk

1.借鉴：无

2.开始：

             2.1 首先下载一个 jdk-7u71-linux-x64.rpm

             2.2 安装 rpm -ivh jdk-7u71-linux-x64.rpm

             2.3 配置环境变量

                          [root@root ~]# pwd

                          /root

                          [root@root ~]# vi .bash_profile

                          #最后配置文件的内容如下：

                          # .bash_profile

                          # Get the aliases and functions

                          if [ -f ~/.bashrc ]; then

                          . ~/.bashrc

                          fi

                          # User specific environment and startup programs

                          JAVA_HOME=/usr/java/jdk1.7.0_71#注意这里是您的jdk的安装目录

                          CLASSPATH=.

                          PATH=$JAVA_HOME/bin:$PATH:$HOME/bin

                          export JAVA_HOME

                          export CLASSPATH

                          export PATH

             2.4 验证

                         [root@root ~]# java -version

                         # 提示以下内容或相似则成功

                          java version "1.7.0_71"

                         Java(TM) SE Runtime Environment (build 1.7.0_71-b14)

                         Java HotSpot(TM) 64-Bit Server VM (build 24.71-b01, mixed mode)

3.大功告成