public class JButtonDemo03 extends JFrame{
public JButtonDemo03() {
Container container = this.getContentPane();
//将一个图片变为图标
URL resource = JButtonDemo01.class.getResource("tx.jpg");
Icon icon = new ImageIcon(resource);
//多选框
JCheckBox checkBox01 = new JCheckBox("checkBox01");
JCheckBox checkBox02 = new JCheckBox("checkBox02");
container.add(checkBox01,BorderLayout.NORTH);
container.add(checkBox02,BorderLayout.SOUTH);
this.setVisible(true);
this.setSize(500,300);
this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
}
public static void main(String[] args) {
// new JButtonDemo01();
new JButtonDemo03();
}
}