Jdk1.8的安装(Linux和windows)

Posted 2021-01-02 白了少年头

1.1 JDK1.8下载地址

JDK下载：http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

1.2 系统环境

[[email protected] ~]# cat /etc/redhat-release
CentOS Linux release 7.2.1511 (Core)
[[email protected] ~]# uname -a
Linux LNB 3.10.0-327.el7.x86_64 #1 SMP Thu Nov 19 22:10:57 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

1.2.1 部署java环境

#使用yum –y install lrzsz 安装上传下载工具

[[email protected] tools]# mkdir /application
[[email protected] ~]# mkdir /server/tools –p
[[email protected] ~]# cd /server/tools
[[email protected] tools]# rz
[[email protected] tools]# ls
jdk-8u60-linux-x64.tar.gz
[[email protected] tools]# tar xf jdk-8u60-linux-x64.tar.gz -C /application/       #解压到指定目录
[[email protected] tools]# ln -s /application/jdk1.8.0_60 /application/jdk         #设置软连接便于操作
[[email protected] tools]# sed -i.ori ‘$a export JAVA_HOME=/application/jdk
export PATH=$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$PATH
export CLASSPATH=.$CLASSPATH:$JAVA_HOME/lib:$JAVA_HOME/jre/lib:$JAVA_HOME/lib/tools.jar‘ /etc/profile          #加入环境变量
[[email protected] tools]# source /etc/profile     #生效
[[email protected] tools]# java –version           #检查是否安装成功，如下已经安装成功
java version "1.8.0_60"
Java(TM) SE Runtime Environment (build 1.8.0_60-b27)
Java HotSpot(TM) 64-Bit Server VM (build 25.60-b23, mixed mode)