所以我使用JOptionPane制作了一个猜数字游戏程序,我的问题是,当我运行该程序时,没有窗口显示,并且即使我构建时没有错误,程序也会结束它。
到目前为止我的代码是这样的。
import javax.swing.*;
import java.awt.*;
import java.util.*;
public class TestNo4 {
public static void main(String[] args) {
Random ranNum = new Random();
int secretNum = ranNum.nextInt(100) + 1;
int guess = 0;
int guessNo = 0;
int guessLimit = 5;
JTextField numUserIn = new JTextField(5);
JPanel getInput = new JPanel();
getInput.add(new JLabel("Enter you guess(Limit of 5 guesses)"));
getInput.add(numUserIn);
for (int countGuess = 0; countGuess == guessLimit; countGuess++) {
int numInput = JOptionPane.showConfirmDialog(null, getInput,
"Guess number " + countGuess, JOptionPane.OK_CANCEL_OPTION);
if (numInput == JOptionPane.OK_OPTION) {
guess = Integer.parseInt(numUserIn.getText());
if (guess == secretNum) {
JOptionPane.showMessageDialog(null, "Congratulations!!",
"Got it in " + countGuess + " tries",
JOptionPane.INFORMATION_MESSAGE);
break;
}
if (countGuess == guessLimit) {
JOptionPane.showMessageDialog(null,
"Sorry, No more guesses left.", "The number is"
+ secretNum,
JOptionPane.INFORMATION_MESSAGE);
break;
}
if (guess > secretNum) {
JOptionPane.showMessageDialog(null, "Hint",
"Try something lower.",
JOptionPane.INFORMATION_MESSAGE);
} else {
JOptionPane.showMessageDialog(null, "Hint",
"Try something higher.",
JOptionPane.INFORMATION_MESSAGE);
}
}
}
}
}
有什么想法我哪里出错了吗?
最佳答案
更改以下行即可工作
for (int countGuess = 0; countGuess == guessLimit; countGuess++) {
与
for (int countGuess = 0; countGuess <= guessLimit; countGuess++) {
问题出在终止条件上。由于它只检查相等的值,因此它永远不会运行循环。
关于java - JOptionPane中的猜数字游戏,JPanel不显示(Java),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/34148919/