jbuttondemo1.java

来自「100个java小例子」· Java 代码 · 共 11 行

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

public class JButtonDemo1
{
    public static void main(String args[])
    {
        JFrame f = new JFrame("JButtonDemo1");
        Container contentPane = f.getContentPane();
        JButton b = new JButton("