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); } }