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    # yum -y remove java-1.4.2-gcj-compat
1.°²×°JDK
Ê×ÏÈÐèÒª´ÓÍøÉÏÏÂÔØJDK°²×°Îļþ£¬Èç¹ûÎļþµÄÀàÐÍÊÇrpm.bin£¬¿ÉÒÔʹÓÃÏÂÃæµÄÃüÁî°²×°£º
# sh jdk-6u2-linux-i586-rpm.bin
Èç¹ûÎļþÀàÐÍÊÇrpm£¬Ôò¿ÉÒÔʹÓÃÈçÏÂÓï¾ä½øÐа²×°
# rpm -ivh jdk-6u2-linux-i586.rpm
2.ÅäÖû·¾³: vi /etc/profile
       JAVA_HOME=/usr/java/jdk1.6.0_07
       CLASSPATH=$JAVA_HOME/lib:$JAVA_HOME/jre/lib
       PATH=$JAVA_HOME/bin:$PATH
       export PATH CLASSPATH JAVA_HOME
      ʹÅäÖÃÉúЧ: source /etc/profile»òreboot
      ¼ì²éÊÇ·ñ³É¹¦:java -version


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