java窗口实验 （1）

package chuangkou;import java.awt.*;import java.awt.event.*;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JTextField;public class Computer1 extends JFrame implements ActionListener {int x, y, z;JLabel label1, label2, label3;JTextField text1, text2, text3;Button buttonGetNumber, buttonEnter;Computer1(String s) {super(s);setLayout(new FlowLayout());buttonGetNumber = new Button("获取题目");text1 = new JTextField(10);label2 = new JLabel("+");text2 = new JTextField(10);label1 = new JLabel("=");text3 = new JTextField(10);buttonEnter = new Button("确认答案");buttonEnter.addActionListener(this);buttonGetNumber.addActionListener(this);label3 = new JLabel(" ");add(buttonGetNumber);add(text1);add(label2);add(text2);add(label1);add(text3);add(buttonEnter);add(label3);setBounds(100, 100, 500, 150);setVisible(true);validate();}public void actionPerformed(ActionEvent e){if (e.getSource() == buttonGetNumber){x = (int) (Math.random() * 100) + 1;y = (int) (Math.random() * 100) + 1; // 为x和y赋值text1.setText(String.valueOf(x));text2.setText(String.valueOf(y));} else if (e.getSource() == buttonEnter) {z = Integer.parseInt(text1.getText())+ Integer.parseInt(text2.getText());if (text3.getText().length() == 0){label3.setText("请输入答案");}else if (Integer.parseInt(text3.getText()) == z) {label3.setText("你回答正确");} else{label3.setText("你回答错误");}}}}

上机感言：窗口很好玩   争取早点把”画图“小软件做出来。。