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

官网地址：http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

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

vim /etc/profile

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@jikon-master local]# java -version
java version "1.8.0_192"
Java(TM) SE Runtime Environment (build 1.8.0_192-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.192-b12, mixed mode)