Java编程02
来源:百度知道 编辑:UC知道 时间:2024/07/07 05:48:14
90-100:5
75-89:4
60-74:3
40-59:2
其他:1
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
//<applet code=hello.java height=500 width=500></applet>
public class Test3 extends JFrame implements ActionListener{
private JLabel label1,label2;
private JTextField text;
private JButton button;
public Test3(){
Container contentPane = getContentPane();
setSize(300,150);
setLayout(null);
setResizable(false);
label1 = new JLabel("请输入一个数字");
label1.setBounds(20, 30, 120, 20);
text=new JTextField();
text.setBounds(120, 30, 60, 20);
label2=new JLabel();
label2.setBounds(200, 30, 30, 20);
button=new JButton("确定");
button.setBounds(80, 80, 60, 30);
contentPane.add(label1);
contentPane.add(text);
contentPane.add(label2);
contentPane.add(button);
button.a