Centos6系统 java环境安装

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tar zxf jdk-8u45-linux-x64.tar.gz
mv jdk1.8.0_45   /usr/local/jdk1.8.0_45

vim /etc/profile.d/java.sh //加入如下配置

JAVA_HOME=/usr/local/jdk1.8.0_45
JAVA_BIN=/usr/local/jdk1.8.0_45/bin
JRE_HOME=/usr/local/jdk1.8.0_45/jre
PATH=$PATH:/usr/local/jdk1.8.0_45/bin:/usr/jdk1.8.0_45/jre/bin
CLASSPATH=/usr/local/jdk1.8.0_45/jre/lib:/usr/local/jdk1.8.0_45/lib:/usr/local/jdk1.8.0_45/jre/lib/charsets.jar

source  /etc/profile.d/java.sh

如果以上配置成功,则下面的命令可以看到java的版本:

java  -version

    java version "1.8.0_45"
    Java(TM) SE Runtime Environment (build 1.8.0_45-b14)
    Java HotSpot(TM) 64-Bit Server VM (build 25.45-b02, mixed mode)
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