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µ½SunÍøÕ¾ÏÂÔØ×Ô½âѹ°²×°°üjdk-xxxx.bin
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[root@RHEL4 JDK-1.5.0.06]# chmod +x jdk-xxxx.bin
[root@RHEL4 JDK-1.5.0.06]# ./jdk-xxxx.bin
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J2SDK°²×°Ä¿Â¼£º /usr/local/jdk
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ÔÚ ~/.bash_profile Àï¼ÓÈëÏÂÁм¸Ðл·¾³±äÁ¿¼´¿É£º
export JAVA_HOME=/usr/local/jdk
export PATH=$PATH:$JAVA_HOME/bin
export MANPATH=$JAVA_HOME/man
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JAVA_HOME/jre/lib/rt.jar
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mv /usr/bin/java /usr/bin/java.bak
ln -s /usr/local/jdk/bin/java /usr/bin/java
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[root@RHEL4 ~]# echo $JAVA_HOME
/usr/local/jdk
[root@RHEL4 ~]# echo $CLASSPATH
.:/usr/local/jdk/lib/dt.jar:/usr/local/jdk/lib/tools.jar:/usr/local/jdk/jre/lib/rt.jar
[root@RHEL4 ~]# echo $PATH
/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/bin:/bin:/usr/bin:/usr/X11R6/bin:/usr/local/jdk/bin:/home/lwg/bin:/usr/local/jdk/bin:/usr/local/jdk/bin
[root@RHEL4 ~]# java -version
java version "1.5.0_06"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_06-b05)
Java HotSpot(TM) Client VM (build 1.5.0_06-b05, mixed mode, sharing)
[root@RHEL4 ~]#
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[root@RHEL4 temp]# vim test.java
class test{
    public static void main(String[] args){
        System.out.println("Hello World!");
    }
}
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[root@RHEL4 temp]javac test.java
[root@RHEL4 temp]java test
Hello World!
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from:http://blog.chinaunix.net/u/17301/showart_231344.html
Linux ÏÂJDK°²×°Îĵµ
1.JDKÏÂÔØ:http://java.sun.com
ÏÂÔØ×Ô½âѹ°ü:jdk-1_5_0_06-linux-i586.bin
#sh jdk-1_5_0_06-linux-i586.bin °´ÌáʾѡÔñyes.
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#chmod 755 jdk-1_5_0_06-linux-i586.bin
#./jdk-1_5_0_06-linux-i586.bin ½âѹºó
#mv jdk1.5.0_06 /usr/local/
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