jre-7u5-linux-i586.tar.gz
tarzxvfjre-7u5-linux-i586.tar.gz-C../software/cd../softwarecp-rpjre1.7.0_05//usr/local/vi/etc/profile加入如下3条JAVA_HOME=/usr/local/jre1.7.0_05/CLASSPATH=$CLASSPATH:$JAVA_HOME/libPATH=$JAVA_HOME/bin:$PATH./etc/profile测试java是否安装成功chown-Rroot\:/usr/local/jre1.7.0_05/java-versionjavaversion“1.7.0_05″Java(TM)S