Linux下JDK安装

Posted 2020-08-08

实验环境：RHEL6.5   server1.example.com 172.25.254.1

原生JDK:jdk-6u32-linux-x64.bin

1.安装

[[email protected] mnt]# ls

jdk-6u32-linux-x64.bin             ##原生的

[[email protected] mnt]# sh jdk-6u32-linux-x64.bin     

[[email protected] mnt]# yum search java                         ##3可以看到openjdk 开源的

[[email protected] mnt]# ls

jdk1.6.0_32  jdk-6u32-linux-x64.bin

[[email protected] mnt]# mkdir /opt/lnmp

[[email protected] mnt]# mv jdk1.6.0_32/   /opt/lnmp/java

[[email protected] mnt]# vim /etc/profile    ###设置JAVA环境可变量

export JAVA_HOME=/opt/lnmp/java/

export CLASSPATH=.:$JAVA_HOME/lib:$JAVA_HOME/jre/lib

export PATH=$PATH:$JAVA_HOME/bin

[[email protected] mnt]# source  /etc/profile

    2.测试：

[[email protected] mnt]# vim test.java

public class test

{

        public static void main(String[] args)

        {

                System.out.println("Hello world !");

        }

}

[[email protected] mnt]# javac test.java 

[[email protected] mnt]# java test

Hello world !

本文出自 “技术人生，简单不简单” 博客，请务必保留此出处http://willis.blog.51cto.com/11907152/1851656