小编Dev*_*yne的帖子

当我一次只想要一个答案时,我的代码会打印出多个答案,你能帮我一次只打印一个吗？

我也想要帮助,这样当它运行时,你可以按下一个按钮,刷新页面,产生一个新的问题,无论如何.

package ScienceRevision;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.util.Random;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class Image extends JFrame {


    Font font = new Font("Arial", Font.BOLD | Font.ITALIC, 30 );
    public Image(){

        //Game Properties
        setTitle("WheelOP");
        //setSize(750, 750);
        setResizable(false);

        setBackground(Color.CYAN);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }




    public void paint(Graphics g){
        g.setFont(font);
        g.setColor(Color.RED);

        Random rand = new Random();
        int result = rand.nextInt(6);
        if (result == 0){
        g.drawString("Cell Wall Definition", 100, 100 );
        }
        else …