CentOS6.4装配jdk

CentOS6.4安装jdk

1. CentOS操作安装好了以后，系统自带了openJDK，先查看相关的安装信息：

JAVA_HOME:当前jdk路径PATH:%JAVA_HOME%/bin;%JAVA_HOME%/jre/binCLASSPATH:.;%JAVA_HOME%/lib/dt.jar;%JAVA_HOME%/lib/tools.jar