centOS6安装配置JDK

1.
rpm -ivh jdk-7u3-linux-i586.rpm --force --nodeps
 
默认的安装路径:/usr/java/jdk1.7.0_03
2.
vim /etc/profile
 
添加:
export  JAVA_HOME=/usr/java/jdk1.6.0_45
export  PATH=$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$PATH
export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

 

3. 使配置文件生效

source /etc/profile 

 

4.查看JDK的环境变量及版本信息:

echo $JAVA_HOME
java   javac 
java -version

 

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转载自haomr.iteye.com/blog/1888793