windows

下个jdk包，安装，

JAVA_HOME=C:\java

PATH=C:\java\bin

CLASSPATH=.;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar

linux

wget 192.168.1.101/jdk-6u11-linux-i586.bin

mv jdk-6u11-linux-i586.bin /usr/local/src/

cd /usr/local/src/

./jdk-6u11-linux-i586.bin

mkdir ../java

mv jdk1.6.0_11/* ../java/

vim /home/myz/.bashrc

export JAVA_HOME=/usr/local/java

export PATH=$JAVA_HOME/bin:$PATH

export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

Test

// HelloWorld.java

import java.util.*;

public class HelloWorld{

public static void main(String[] args){

System.out.println("Hello World");

System.out.println(new Date());

}

}

javac HelloWorld.java

java Helloworld

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