小编Len*_*och的帖子

if((wort[0] == "A") && (wort[1] == "P") && (wort[2] == "F") && (wort[3] == "E") && (wort[4] == "L") && (wort[5] == "K") && (wort[6] == "U") && (wort[7] == "C") && (wort[8] == "H") && (wort[9] == "E") && (wort[10] == "N")) {

        frame.remove(panel);
        frame.add(winpanel);
        winpanel.add(winmeldung);
        winpanel.add(beenden);
        frame.validate();

嗨,我这里有一个庞大的项目,所以我只发布一部分内容.我想检查一下,如果确实应该打开一个新的面板.但每次我跑,我都会因为"未知来源"而收到错误.为什么？？

编辑:

错误:

at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
    at java.awt.EventQueue.dispatchEvent(Unknown Source)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
    at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
    at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
    at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
    at java.awt.EventDispatchThread.run(Unknown Source)

我的问题是,当我运行它时,我的while循环只运行一次.这是我的代码.如果有人检查它并且可能寻找其他错误(我是编程java的新手!),我将非常感激.

import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;


public class Program {

    boolean exit;
    JFrame frame;
    JPanel panel;
    JTextField title;
    JButton start;
    JButton stop;
    long x;


    public Program() {

        frame = new JFrame("Überlast your PC");
        panel = new JPanel();
        title = new JTextField("Überlast your PC v1.0");
        start = new JButton("Start");
        stop = new JButton("Stop");
        x = 1;
        exit = false;

        stop.addActionListener(new ActionListener () {
            public void actionPerformed(ActionEvent e) {

            exit = true;

        }});

        start.addActionListener(new ActionListener () {
            public void …