10+

本压缩文档为《Java大学实用教程》（7-121-00959-5 电子工业出版社 2005.3） 的电子教案。

import javax.swing.*;
import java.awt.*;
import javax.swing.border.*;
class BarWin extends Jframe implements Runnable
{  
    JprogressBar pbar1,pbar2;
    Thread thread1,thread2;
    JtextField text1,text2;
    BarWin()
    {   
      pbar1=new JprogressBar(0,100);
      pbar2=new JprogressBar(0,100); 
pbar1.setStringPainted(true);
pbar2.setStringPainted(true);
      text1=new JtextField(10); 
      text2=new JtextField(10); 
      thread1=new Thread(this);
      thread2=new Thread(this);
      Box boxV1=Box.createVerticalBox();
      boxV1.add(pbar1);
      boxV1.add(pbar2);
      Box boxV2=Box.createVerticalBox();
      boxV2.add(text1);
      boxV2.add(text2);
      Box baseBox=Box.createHorizontalBox();
      baseBox.add(boxV1);
      baseBox.add(boxV2);
      Container con=getContentPane();
      con.setLayout(new FlowLayout());
      con.add(baseBox); 
      setDefaultCloseOperation(Jframe.EXIT_ON_CLOSE);
      setBounds(10,10,300,300);
      setVisible(true); 
      validate();
    }
   public void run()
    {
       if(Thread.currentThread()==thread1)
        {
            for(int i=1;i<=100;i++)
              {
                 text1.setText(“第”+i+”项=”+f(i));
                 pbar1.setValue(i);
                 try{
                       Thread.sleep(500);
                    }  
                 catch(InterruptedException e)
                    {
                    }
              }
        }
       if(Thread.currentThread()==thread2)
        {
            long a1=1,a2=1,a=a1;
            int i=1;
            while(i<=100)
              {
                 if(i>=3)
                  {
                    a=a1+a2;
                    a1=a2;
                    a2=a;
                  }
                 text2.setText(“第”+i+”项=”+a);
                 pbar2.setValue(i);
                 i++;
                 try{
                       Thread.sleep(500);
                    }  
                 catch(InterruptedException e)
                    {
                    }
              }
        }
    }
   long f(int n)
    {
        long c=0;
        if(n==1||n==2)
          c=1;
        else if(n>1)
          c=f(n-1)+f(n-2);
        return c; 
    }
} 
public class Example
{
    public static void main(String args[])
    {
       BarWin win=new BarWin();
       win.thread1.start();
       win.thread2.start();
    }
}