linux:安装JDK
#安装JDK$ mkdir /usr/local/java$ cp /root/syslog/jdk-6u31-linux-x64.bin ./$ ./jdk-6u31-linux-x64.bin#配置环境变量$ vi /etc/profile#set java enviromentJAVA_HOME=/usr/local/java/jdk1.6.0_31JRE_HOME=/usr/local/java/jdk1.6.0_31/jrePATH=$JAVA_HOME/bin:$PATHCLASSPATH=$JAVA_HOME/lib/dt.jar:JAVA_HOME/lib/tools.jar$ source /etc/profile$ java -version
