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public static void main(String args[]){
   
     Date calr1=new Date(2010, 3,1);
     Date calr2=new Date(2010,3,31);
  
     Long n=calr2.getTime()-calr1.getTime();
     int a=(int)(n/(1000*60*60*24));
     System.out.println("Á½ÕßÏà²î:"+a+"Ìì");
    
 }


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    # yum -y remove java-1.4.2-gcj-compat
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java zip ½âѹËõ

import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Enumeration;
import java.util.SortedSet;
import java.util.TreeSet;
import java.util.logging.Logger; ......
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