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sudo cp jdk-6u7-linux-i586.bin /usr
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chmod +x jdk-6u7-linux-i586.bin
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./jdk-6u7-linux-i586.bin
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export JAVA_HOME=/usr/jdk1.6.0_07
export JRE_HOME=/usr/jdk1.6.0_07/jre
export PATH=$PATH:/usr/jdk1.6.0_07/bin
export CLASSPATH=./:/usr/jdk1.6.0_07/lib:/usr/jdk1.6.0_07/jre/lib
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н¨Test.java
public class Test{     public static void main(String[] args){      System.out.println("Hello,Welcome to Linux World!");     }  } 
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javac Test.java
java Test
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Hello,Welcome to Linux World!
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sudo vi profile½øÈë±à¼­ÎļþºóÈç³öÏÖ
Press ENTER or type command to continue
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