我试图为管理员用户名/密码设置两个输入，但错误的名称为＆＃34; java.lang.IllegalStateException：Toolkit未初始化＆＃34;。这个程序工作正常，直到我添加了JTextField的东西，我检查了大量的网站（Oracle，StackOverFlow等），但无法找到答案。我不认为我在任何地方的代码中使用JavaFX。提前致谢 ：） 完整的错误代码位于底部。
这是我的代码：
import javax.swing.JOptionPane;
import javax.swing.JTextField;
//import java.awt.*;
//import java.awt.event.*;
//import java.util.Scanner; Replaced with JOptionPane;
import java.util.concurrent.TimeUnit;
//import java.io.File;
//import java.io.FileWriter;
//import java.io.FileReader; //Needed for a previous version
//import java.io.IOException;
//import java.io.BufferedReader;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
public class HackerGame {
public static void Credentials() throws InterruptedException {
System.out.println('\u000C');
String[] names = new String[]{"Hugh Jackman","David Lowe","Ethan Reed"};
String[] usernames = new String[]{"HughMan13","BigDave13","Ethanol13"};
String[] passwords = new String[]{"SmallMan31","SmallDave31","Diesel31"};
System.out.println("Gathering Employee Information...");
TimeUnit.SECONDS.sleep(3);
System.out.println("Listing Employee Credentials: ");
System.out.println(""); //Kept for distance purposes
for (int i = 0; i < 3; i++) {
System.out.println("Name: " + names[i] + " Username: " +
usernames[i] + " Password: " + passwords[i]);
System.out.println("---");
TimeUnit.SECONDS.sleep(1);
}
TimeUnit.SECONDS.sleep(5);
}
public static void Growth() throws InterruptedException {
int years = 2012;
int value = 150000;
System.out.println('\u000C');
System.out.println("Company Growth By Year: ");
for (int i = 0; i < 5; i++) {
System.out.println("Year: " + (years + i) + " Value: " + "$" +
(value + (45000 * i)));
System.out.println("---");
TimeUnit.SECONDS.sleep(1);
}
TimeUnit.SECONDS.sleep(5);
}
public static void Console() throws InterruptedException {
System.out.println('\u000C');
DateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
Date date = new Date();
System.out.println("Accessing Console Log For: " + dateFormat.format(date) + " ...");
TimeUnit.SECONDS.sleep(3);
System.out.println("---------------");
System.out.println("IP 153.131.132.64 Connected");
System.out.println("IP 153.131.132.64 Opened /bin/users/admin/username.txt");
System.out.println("IP 153.131.132.64 Closed /bin/users/admin/username.txt");
System.out.println("IP 153.131.132.64 Opened /bin/users/admin/password.txt");
System.out.println("IP 153.131.132.64 Closed /bin/users/admin/password.txt");
System.out.println("IP 153.131.132.64 Cleared /bin/console/cache");
System.out.println("IP 153.131.132.64 Disconnected");
System.out.println("IP 233.132.104.140 Connected");
System.out.println("IP 233.132.104.140 Opened /bin/console/cache");
System.out.println("IP 233.132.104.140 Restored /bin/console/cache");
System.out.println("IP 233.132.104.140 Copied /bin/console/cache");
System.out.println("IP 233.132.104.140 Closed /bin/console/cache");
System.out.println("IP 233.132.104.140 Disconnected");
System.out.println("End of Log For: " + dateFormat.format(date));
TimeUnit.SECONDS.sleep(5);
}
public static void main(String[] args) throws InterruptedException {
System.out.println('\u000C');
System.out.println("You are hacking into the system. Use these numbers to");
System.out.println("help you: 33472001, 123, and 321. Good Luck.");
System.out.println("");
System.out.println("Loading Game...");
TimeUnit.SECONDS.sleep(7);
String[] firewallpass = new String[]{"33472001","10027433","20013347"};
String[] firewallreq = new String[3];
firewallreq[0] = "Enter First FireWall Password: ";
firewallreq[1] = "Enter Second FireWall Password: ";
firewallreq[2] = "Enter Third FireWall Password: ";
String[] database = new String[]{"Employee Credentials","Company Growth","Console Log"};
System.out.println('\u000C');
String input;
input = JOptionPane.showInputDialog
("Launch Program? Y/N: ");
if (input.equalsIgnoreCase("Y")) {
System.out.println("Initializing...");
TimeUnit.SECONDS.sleep(3);
System.out.println('\u000C');
} else if (input.equalsIgnoreCase("N")) {
System.out.println("Exiting...");
TimeUnit.SECONDS.sleep(3);
System.exit(0);
} else {
System.out.println("Exiting...");
TimeUnit.SECONDS.sleep(3);
System.exit(0);
}
for (int i = 0; i < 3; i++) {
//System.out.println(firewallreq[i]);
String firewall;
firewall = JOptionPane.showInputDialog(firewallreq[i]);
System.out.println('\u000C');
if (firewall.equals(firewallpass[i])) {
System.out.println("Bypassing...");
TimeUnit.SECONDS.sleep(3);
} else {
System.out.println("You have been blocked. Exiting...");
TimeUnit.SECONDS.sleep(3);
System.exit(0);
}
}
boolean adminLogIn = true;
while(adminLogIn) {
System.out.println('\u000C');
System.out.println("Enter Administrator Credentials: ");
String adminusername = "admin";
String adminpassword = "admin123";
TimeUnit.SECONDS.sleep(1);
JTextField username = new JTextField();
JTextField password = new JTextField();
Object[] message = {
"Username: ", username,
"Password: ", password
};
int option = JOptionPane.showConfirmDialog(null, message, "Login", JOptionPane.OK_CANCEL_OPTION);
if (option == JOptionPane.OK_OPTION) {
if (username.getText().equals(adminusername) && password.getText().equals(adminpassword)) {
System.out.println("Logging In...");
TimeUnit.SECONDS.sleep(3);
adminLogIn = false;
} else {
System.out.println("Wrong username/password. Try Again");
}
}
}
System.out.println('\u000C');
boolean loggedIn = true;
while(loggedIn) {
System.out.println("Enter Q to logout");
System.out.println("You have access to these databases: ");
System.out.println("----------");
for (int i = 0; i < 3; i++) {
System.out.println(database[i]);
System.out.println("----------");
TimeUnit.SECONDS.sleep(1);
}
boolean methodChoice = true;
while(methodChoice) {
String method;
method = JOptionPane.showInputDialog("Enter A Method: ");
if (method.equalsIgnoreCase(database[0])) {
Credentials();
methodChoice = false;
} else if (method.equalsIgnoreCase(database[1])) {
Growth();
methodChoice = false;
} else if (method.equalsIgnoreCase(database[2])) {
Console();
methodChoice = false;
} else if (method.equalsIgnoreCase("Q")) {
System.out.println("Logging Out...");
TimeUnit.SECONDS.sleep(3);
System.exit(0);
} else {
System.out.println("Enter A Valid Inquiry.");
}
}
}
}
}
这是例外
"java.lang.IllegalStateException: Toolkit not initialized"
at com.sun.javafx.application.PlatformImpl.runLater(PlatformImpl.java:273)
at com.sun.javafx.application.PlatformImpl.runLater(PlatformImpl.java:268)
at javafx.application.Platform.runLater(Platform.java:83)
at bluej.runtime.ExecServer.runOnTargetThread(ExecServer.java:902)
at bluej.runtime.ExecServer.access$700(ExecServer.java:78)
at bluej.runtime.ExecServer$3.run(ExecServer.java:767)
答案 0 :(得分：2)
所以问题是我使用的应用程序BlueJ在某种程度上被破坏了，因为我无法运行任何程序。重新下载和删除已损坏的程序修复了此问题。谢谢大家的帮助：）