temp.java

计算器,表 格等很多功能就在这里,的确是这样的.

import java.awt.*; 
import java.awt.event.*; 
import javax.swing.*; 
import javax.swing.event.*; 

public class temp extends JFrame 
{ 
static int x=0; 
Container c; 
public temp() 
{ 

c=this.getContentPane(); 
c.setLayout(new GridLayout(3,1)); 
c.add(new panel()); 
c.add(new panel()); 
c.add(new panel());
this.setSize(200,200); 
this.setVisible(true); 
} 
public static void main(String s[]) 
{ 
temp kk=new temp(); 
} 

class panel extends JPanel
{ 
panel() 
{ 
thread t = new thread(); 
t.start(); 
} 

public void paint(Graphics g) 
{ 
g.clearRect(0,0,this.getWidth(),this.getHeight()); 
g.setColor(Color.red); 
g.fillOval(x*2,0,20,20); 
} 
} 
class thread extends Thread
{ 
public void run() 
{ 
while(true) 
{ 
try 
{ 
Thread.sleep(200); 
x=x+1; 
repaint(); 
System.out.println(x); 
} 
catch(Exception e) 
{ 
e.printStackTrace(); 
} 
} 

} 
} 
}