public class Test { JFrame myframe = new JFrame(); JLabel label1 = new JLabel("label1"); JLabel label2 = new JLabel("label2"); JButton button1 = new JButton("确定"); JButton button2 = new JButton("取消"); public void init() {myframe.setSize(300, 200);myframe.getContentPane().setLayout(null);myframe.setTitle("java 小程序");label...