Linux源码安装JDK1.8

Linux源码安装Java

1、到官网下载
jdk-8u131-linux-x64.tar.gz

2、解压安装包，重命名为jdk
[root@QIANZI-BASE home]# tar -zvxf jdk-8u131-linux-x64.tar.gz
[root@QIANZI-BASE home]# mv jdk1.8.0_131 jdk

3、安装jdk到/usr/local/
[root@QIANZI-BASE home]# mv jdk /usr/local/
[root@QIANZI-BASE home]# cd /usr/local/

4、配置环境变量
[root@QIANZI-BASE local]# vim /etc/profile

在文件尾添加：
export JAVA_HOME=/usr/local/jdk
export JRE_HOME=/usr/local/jdk/jre
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib
export PATH=$JAVA_HOME/bin:$JRE_HOME/bin:$PATH

5、使立即生效
source /etc/profile

6、验证
[root@QIANZI-BASE local]# java -version
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)