frame1.java~2~

java GUI用户界面程序

package chapter7.layout;

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

public class Frame1
    extends JFrame
{
    JButton jButton1 = new JButton();
    FlowLayout flowLayout1 = new FlowLayout();

    /**
     *
     */
    public Frame1()
    {
        getContentPane().setLayout(flowLayout1);
        jButton1.setText("jButton1");
        jButton1.setBounds(20, 20, 200, 200);
        this.getContentPane().add(jButton1, null);
    }

    public static void main(String[] args)
    {
        Frame1 f1 = new Frame1();
        f1.setSize(250, 250);
        f1.setVisible(true);
    }
}