fwcgex1529的部落格

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class Test
{
public static void main(String[]args)
{
JFrame jtfMainFrame=new JFrame("Which Button Demo");
jtfMainFrame.setSize(450,150);
JButton jbnButton1= new JButton("Button1");
JPanel jplPanel=new JPanel();
jplPanel.add(jbnButton1);
jtfMainFrame.getContentPane().add(jplPanel,BorderLayout.CENTER);
jtfMainFrame.setVisible(true);
System.out.print("YO");
System.exit(1);
}
}