Linux安装多个jdk版本进行切换_Linux

Linux安装多个jdk版本进行切换

2021-12-31 17:1718674063260 Linux

这篇文章主要为大家详细介绍了Linux安装多个jdk版本进行切换的相关资料，具有一定的参考价值，感兴趣的小伙伴们可以参考一下

本文为大家分享了Linux jdk安装多个版本切换的具体方法，供大家参考，具体内容如下

1. 上传jdk7 和 jdk8 包

2. 解压

				?

									[root@localhost webapps]# tar -zxvf /package/jdk-7u80-linux-x64.tar.gz

3. 配置jdk变量

				?

									　vi /etc/profile

									export JAVA_HOME=/package/jdk1.7.0_80

									export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

									export PATH=$PATH:$JAVA_HOME/bin

4. java -version

5. 给jdk1.7设置序列号

				?

									[xxx@localhost home]$ alternatives --install /usr/bin/java java /package/jdk1.7.0_80 3

6. 安装jdk1.8

				?

									[xxx@localhost home]$ alternatives --install /usr/bin/java java /package/jdk1.8.0_124 2

7.选择jdk对应的数字--切换jdk版本

				?

									[root@localhost ~]# java -version

									java version "1.7.0_80"

									Java(TM) SE Runtime Environment (build 1.7.0_80-b15)

									Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11, mixed mode)

									[root@localhost ~]# alternatives --config java

									There are 3 programs which provide 'java'.

									 Selection  Command

									-----------------------------------------------

									* 1      /package/jdk1.8.0_121/java

									  2      /package/jdk1.8.0_121/bin/java

									 + 3      /package/jdk1.7.0_80/bin/java

									Enter to keep the current selection[+], or type selection number: 2

									[root@localhost ~]# java -version

									java version "1.8.0_121"

									Java(TM) SE Runtime Environment (build 1.8.0_121-b13)

									Java HotSpot(TM) 64-Bit Server VM (build 25.121-b13, mixed mode)