展開全部

import java.awt.Font;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.KeyEvent;

import java.awt.event.KeyListener;

import java.util.Enumeration;

import java.util.Random;

import javax.swing.JFrame;

import javax.swing.JOptionPane;

import javax.swing.UIManager;

import javax.swing.plaf.FontUIResource;

public class NewFrame extends JFrame {

private javax.swing.JButton jButton1;

private javax.swing.JLabel jLabel1;

private javax.swing.JLabel jLabel2;

private javax.swing.JLabel jLabel3;

private javax.swing.JTextField jTextField1;

private javax.swing.JTextField jTextField2;

private javax.swing.JTextField jTextField3;

private int a;

private int b;

private int total = 0;

private int result = 0;

private Random random = new Random();

public NewFrame() {

initComponents();

}

public int getA() {

a = random.nextInt(100);

return a;

}

public void setA(int a) {

this.a = a;

}

public int getB() {

b = random.nextInt(100);

return b;

}

public void setB(int b) {

this.b = b;

}

private void initComponents() {

java.awt.GridBagConstraints gridBagConstraints;

jTextField1 = new javax.swing.JTextField();

jLabel2 = new javax.swing.JLabel();

jTextField2 = new javax.swing.JTextField();

jLabel3 = new javax.swing.JLabel();

jTextField3 = new javax.swing.JTextField();

jButton1 = new javax.swing.JButton();

jLabel1 = new javax.swing.JLabel();

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

setTitle("加法測試");

getContentPane().setLayout(new java.awt.GridBagLayout());

jTextField1.setColumns(8);

jTextField1.setText(getA() + "");

jTextField1.setEditable(false);

getContentPane().add(jTextField1, new java.awt.GridBagConstraints());

jLabel2.setText("加");

getContentPane().add(jLabel2, new java.awt.GridBagConstraints());

jTextField2.setColumns(8);

jTextField2.setEditable(false);

jTextField2.setText(getB() + "");

jTextField3.addKeyListener(new KeyListener() {

public void keyPressed(KeyEvent e) {

// TODO Auto-generated method stub

if (KeyEvent.VK_ENTER == e.getKeyCode()) {

System.out.println("keyPressed");

action();

}

}

public void keyReleased(KeyEvent e) {

// TODO Auto-generated method stub

}

public void keyTyped(KeyEvent e) {

// TODO Auto-generated method stub

}

});

getContentPane().add(jTextField2, new java.awt.GridBagConstraints());

jLabel3.setText("等于");

getContentPane().add(jLabel3, new java.awt.GridBagConstraints());

jTextField3.setColumns(8);

getContentPane().add(jTextField3, new java.awt.GridBagConstraints());

jButton1.setText("確定");

jButton1.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

// TODO Auto-generated method stub

action();

}

});

getContentPane().add(jButton1, new java.awt.GridBagConstraints());

jLabel1.setText("總分：0 ");

gridBagConstraints = new java.awt.GridBagConstraints();

gridBagConstraints.weightx = 1.0;

gridBagConstraints.weighty = 1.0;

getContentPane().add(jLabel1, gridBagConstraints);

pack();

}

private void action() {

try {

if (total >= 99) {

JOptionPane.showMessageDialog(null, "測試結束" + jLabel1.getText(),

"提示", 1);

jTextField3.setText("測試結束");

return;

}

int a = Integer.parseInt(jTextField1.getText());

int b = Integer.parseInt(jTextField2.getText());

int c = Integer.parseInt(jTextField3.getText().trim());

System.out.println(a + " " + b + " " + c);

if (a + b == c) {

result++;

JOptionPane.showMessageDialog(null, "正確", "正確提e69da5e887aa3231313335323631343130323136353331333365653765示", 1);

} else {

JOptionPane.showMessageDialog(null, "錯誤", "錯誤提示", 1);

}

total++;

if (total < 3) {

jLabel1.setText("總分：" + result + " ");

jTextField1.setText(getA() + "");

jTextField2.setText(getB() + "");

jTextField3.setText("");

}

} catch (Exception e) {

JOptionPane.showMessageDialog(null, "輸入提示", "請輸入數字", 1);

}

}

public static void main(String[] args) {

Font font = new Font("宋體", Font.PLAIN, 12);

for (Enumeration keys = UIManager.getDefaults().keys(); keys

.hasMoreElements();) {

Object key = keys.nextElement();

Object value = UIManager.get(key);

if (value instanceof FontUIResource) {

UIManager.put(key, font);

}

}

NewFrame frame = new NewFrame();

frame.setLocationRelativeTo(null);

frame.setSize(400, 200);

frame.setVisible(true);

}

}

已贊過

已踩過<

你對這個回答的評價是？

評論

收起

創作挑戰賽新人創作獎勵來咯，堅持創作打卡瓜分現金大獎

總結

以上是生活随笔為你收集整理的Java show两个整数加减_怎么样用java编写界面实现两个数的加法运算的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。