mybutton.java

这个是JAVA程序基础书上第六章处理异常源代码

import javax.swing.*;
import java.awt.*;
public class MyButton {
	JButton jb;
	JPanel jp;
	JFrame jf;
	public static void main(String[] args){
        MyButton mb = new MyButton();
		mb.jf.setSize(600, 300);
		mb.jf.show();
	}
	public MyButton(){
		jf = new JFrame();
		jp = new JPanel();
        jb = new JButton();
		try{
		  jbInit();
		}
		catch(Exception ex){
			ex.printStackTrace();
		}
	}
	private void jbInit() throws Exception{
		jb.setLabel("按钮1");
		jb.setBounds(new Rectangle(30, 30, 80, 40));
		
		jp.setBackground(SystemColor.activeCaptionBorder);
		jp.setBounds(new Rectangle(0, 0, 600, 300));
		jp.setLayout(null);
        jf.getContentPane().setLayout(null);
		jf.getContentPane().add(jp, null);
		jp.add(jb, null);
	}
}