Java——不弹起的按钮组件：JToggleButton

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);
	}

}