linux 下安装Java环境

1.解压jdk

[[email protected]_22_46_centos install]# tar -zxvf jdk-8u131-linux-x64.tar.gz ^C

2.移动到指定位置

[[email protected]_22_46_centos install]# mv jdk1.8.0_131/ /usr/local/condition/java/

3.修改环境变量配置文件

[[email protected]_22_46_centos jdk1.8.0_131]# vim /etc/profile

JAVA_HOME=/usr/local/condition/java/jdk1.8.0_131

CLASSPATH=$JAVA_HOME/lib/

PATH=$PATH:$JAVA_HOME/bin

export PATH JAVA_HOME CLASSPATH

4.立刻生效配置文件

source /etc/profile

5. 查看java是否安装成功

java -version

6.看到这些就说明安装成功了

java version "1.8.0_131"

Java(TM) SE Runtime Environment (build 1.8.0_131-b11)

Java HotSpot(TM) 64-Bit Server VM (build 25.131-b11, mixed mode)