import java.awt.GridLayout;

import javax.swing.JFrame;

import javax.swing.JToggleButton;

//=================================================

// File Name       :	JToggleButton_demo

//------------------------------------------------------------------------------

// Author          :	Common

//主类

//Function        : 	JToggleButton_demo

public class JToggleButton_demo {

	public static void main(String[] args) {

		// TODO 自动生成的方法存根

		JFrame f = new JFrame("Swing窗口");							//实例化窗体对象

		JToggleButton but1 = new JToggleButton("已选中",true);

		JToggleButton but2 = new JToggleButton("未选中");

		JToggleButton but3 = new JToggleButton("按我");

		f.setLayout(new GridLayout(3,1));				//设置排版样式

		f.add(but1);

		f.add(but2);

		f.add(but3);

		f.setSize(440, 320);  			//设置窗体

		f.setLocation(300,200);		//设置显示位置

		f.setVisible(true);

	}

}