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	                    ÓÃJavaдµÄͼƬä¯ÀÀÆ÷
package com.wenbo.myprogrem.day16;
import java.awt.BorderLayout;
import java.awt.CardLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
public class MyPicture implements ActionListener{
 CardLayout cl=new CardLayout();
 JPanel jp1=new JPanel();
 Timer timer=new Timer(2000,this);//ÉèÖÃtimerÑÓ³Ùʱ¼ä£¬×¢²á¼àÌýÆ÷
 public MyPicture(){
 timer.setActionCommand("ÏÂÒ»ÕÅ");
  JFrame jf=new JFrame("ͼƬä¯ÀÀ´°¿Ú");
  jp1.setLayout(cl);
  JPanel jp2=new JPanel();
  for(int i=0;i<30;i++){
   Icon ic=new ImageIcon("C:/Documents and Settings/Administrator/×ÀÃæ/tupian/tu"+(i+1)+".gif");
   JLabel jl=new JLabel(ic);
   jp1.add(jl,(i+1)+"");
  }
  jf.add(jp1);
  String [] st={"PLAY","µÚÒ»ÕÅ","ÏÂÒ»ÕÅ","ÉÏÒ»ÕÅ","×îºóÒ»ÕÅ","STOP"};
  for(int i=0;i<st.length;i++){
   JButton jb=new JButton(st[i]);
   jb.addActionListener(this);
   jp2.add(jb);
  }
  
  jf.add(jp2,BorderLayout.SOUTH);
  
  jf.setSize(520,500);//ÉèÖô°¿Ú´óС
  jf.setLocation(300, 400);//ÉèÖóöÏÖÔÚÆÁÄ»µÄλÖÃ
  jf.setVisible(true);//ÉèÖÿɼû
  jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//µãX¹Ø±Õ
 }
 public static void main(String[] args) {
  new MyPicture();
 }
 public void actionPerformed(ActionEvent e) {
  String comm=e.getActionCommand();
  if("µÚÒ»ÕÅ".equals(comm)){
   cl.first(jp1);
  }else if("ÏÂÒ»ÕÅ".equals(comm)){
   cl.next(jp1);
  }else if("ÉÏÒ»ÕÅ".equals(comm)){
   cl.previous(jp1);
 
    
     
	
	
    
    
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public class NodeBean implements Serializable
{
    
    private Object data; //ÔªËØ±¾Éí
    private NodeBean next; //ÏÂÒ»¸ö½Úµã
    
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package pkg1;
public class Jupiter
{
    void method1(){
      System.out.println("In Jupiter");
    }
    public void call(){
      method1();
    }
}
package pkg2;
import pkg1.Jupiter;
public class Minerva extends Jupiter{
  public void method1(){
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    import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.RandomAccessFile;
import java.io.Reader;
public class ReadfromFile{
	/**
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