Linux安装JDK

葛大爷 互联网 2015-07-23 1900

  1. 下载JDK 
    [root@VM-20-12-centos data]# wget http://data.nidayed.net/jdk-8u321-linux-x64.tar.gz
[root@VM-20-12-centos data]# tar -zxvf jdk-8u321-linux-x64.tar.gz
[root@VM-20-12-centos data]# rm -rf jdk-8u321-linux-x64.tar.gz
  2. 配置环境变量 
    [root@VM-20-12-centos data]# vim /etc/profile
export JAVA_HOME=/data/jdk1.8.0_321
export JAVA_BIN=$JAVA_HOME/bin
export PATH=$PATH:$JAVA_BIN
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export JAVA_HOME JAVA_BIN PATH CLASSPATH
[root@VM-20-12-centos data]# source /etc/profile
  3. 验证 
    [root@VM-20-12-centos data]# java -version
java version "1.8.0_321"
Java(TM) SE Runtime Environment (build 1.8.0_321-b07)
Java HotSpot(TM) 64-Bit Server VM (build 25.321-b07, mixed mode)
Linux JDK