linux jdk 环境配置

1.在终端添加环境
lijingyu@lijingyu:/usr$ export JAVA_HOME=/usr/java/jdk1.7.0_60
lijingyu@lijingyu:/usr$ export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
lijingyu@lijingyu:/usr$ export PATH=$PATH:$JAVA_HOME/bin
2.让环境生效作用于所有的终端
lijingyu@lijingyu:/usr$ source /etc/profile
3查看环境是否配置进去老
lijingyu@lijingyu:/usr$ vi /etc/profile
lijingyu@lijingyu:/usr$ echo $PATH
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/usr/java/jdk1.7.0_60.bin:/usr/java/jdk1.7.0_60/bin
4检验
lijingyu@lijingyu:/usr$ java -version
java version "1.7.0_60"
Java(TM) SE Runtime Environment (build 1.7.0_60-b19)
Java HotSpot(TM) 64-Bit Server VM (build 24.60-b09, mixed mode)
lijingyu@lijingyu:/usr$
以下网址比较好:
www.cnblogs.com/eastson/archive/2012/06/06/2538964.html
注意此外还有一个方法就是上面网址提供的
sudo vi /etc/profile.d/java.sh

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转载自a575292877.iteye.com/blog/2085771