java解压缩

package com.mkyong.zip;
 
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
 
public class App 
{	
    public static void main( String[] args )
    {
    	byte[] buffer = new byte[1024];
 
    	try{
 
    		FileOutputStream fos = new FileOutputStream("C:\\MyFile.zip");
    		ZipOutputStream zos = new ZipOutputStream(fos);
    		ZipEntry ze= new ZipEntry("spy.log");
    		zos.putNextEntry(ze);
    		FileInputStream in = new FileInputStream("C:\\spy.log");
 
    		int len;
    		while ((len = in.read(buffer)) > 0) {
    			zos.write(buffer, 0, len);
    		}
 
    		in.close();
    		zos.closeEntry();
 
    		//remember close it
    		zos.close();
 
    		System.out.println("Done");
 
    	}catch(IOException ex){
    	   ex.printStackTrace();
    	}
    }
}