extendsjframe.java

来自「java关于Swing的一些简单实例」· Java 代码 · 共 32 行

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class Mywindow extends JFrame{
	JButton b;
	JTextArea t;
	Mywindow(){
		//setSize(400,200);
		setVisible(true);
		b=new JButton("ok");
		t=new JTextArea(10,20);
		Container con=getContentPane();
		con.setLayout(new FlowLayout());
		con.add(b);
		con.add(t);
		pack();
		addWindowListener(new WindowAdapter(){
			public void windowClosing(WindowEvent e){
				System.exit(0);
			}
		});
	}
}
public class ExtendsJFrame {

	public static void main(String[] args) {
		new Mywindow();

	}

}