centos6.5 安装 JDK1.8

1、在/var/local 目录下新建Java文件夹

# mkdir /usr/local/java 

2、转入新建文件夹内

# cd /usr/local/java 

3、下载

#wget  http://................

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

4、解压 安装包

tar xvf  jdk-8u131-linux-x64.tar.gz

5、环境变量

# vi /etc/profile  ( 点键盘  i 进入插入命令)

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

export JRE_HOME=/usr/local/java/jdk1.8.0_131/jre

export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib:$CLASSPATH

export PATH=$JAVA_HOME/bin:$PATH

(填写完后,ESC  —— ctrl + :  —— wq  ——回车)

#  source /etc/profile  运行命令,使profile生效

# java -version  检验是否成功

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)

(成功!)

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