Linux安装Jdk1.8 详细教程

Linux安装Jdk
1、cd opt目录下
2、新建文件夹

[root@VM-0-2-centos opt]# mkdir jdk

3、进入jdk文件夹，并且上传安装包,解压

[root@VM-0-2-centos jdk]# tar -zxvf jdk-8u261-linux-x64.tar.gz 

4、进入解压目录

[root@VM-0-2-centos jdk]# cd jdk1.8.0_261/
[root@VM-0-2-centos jdk1.8.0_261]# pwd
/opt/jdk/jdk1.8.0_261

5、修改环境配置

[root@VM-0-2-centos jdk1.8.0_261]# vi /etc/profile

# /etc/profile

export JAVA_HOME=/opt/jdk/jdk1.8.0_261
export PATH=$PATH:$JAVA_HOME/bin


# System wide environment and startup programs, for login setup
# Functions and aliases go in /etc/bashrc

6、刷新配置

[root@VM-0-2-centos jdk1.8.0_261]# source /etc/profile

7、检查jdk是否安装成功，ok，今晚是S11比赛，7的意志，哈哈哈

[root@VM-0-2-centos jdk1.8.0_261]# java -version
java version "1.8.0_261"
Java(TM) SE Runtime Environment (build 1.8.0_261-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.261-b12, mixed mode)

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