radiobutton.java

一个J2SE的简单入门

package 第八章;
import javax.swing.*;

import java.awt.*;
import java.awt.event.*;
import javax.swing.event.*;
public class RadioButton {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO 自动生成方法存根
		RadioButtonFrame frame= new RadioButtonFrame();
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.show();
	}

}
class RadioButtonFrame extends JFrame
{
	public RadioButtonFrame()
	{
		setTitle("显示单选框");
		setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT );
		Container contentPane= getContentPane();
		// add a panel with RadioButton
		JPanel panel= new JPanel();
		JRadioButton man= new JRadioButton("男",true);
		JRadioButton woman= new JRadioButton("女");
		panel.add(man);
		panel.add(woman);
		//contentPane.add(panel,BorderLayout.CENTER);
	
	}

	public static final int DEFAULT_WIDTH = 300;
	public static final int DEFAULT_HEIGHT= 200;

}