The TCheckBox Delphi control displays a checkbox that can be on (checked) or off (unchecked). The Checked property specifies whether the checkbox is checked or not. TCheckBox Delphi控件显示一个可以打开(选中)或关闭
package com.Swing;
import java.awt.Color;
import java.awt.event.*;
import javax.swing.*;
public class ButtonExample {
public static void main(String[] args) {
JFrame f = new JFrame("
