我是 Javafx 的新手，我剛剛下載了 JDK 12 并遵循了教程，它有效但對我不起作用，（我正在使用模塊來要求 javafx.controls）這里是代碼：在我的主類中：我在 SOFlow 中嘗試了很多解決方案但沒有結(jié)果，我嘗試了：1）將 public 關(guān)鍵字添加到我的類中 2）刪除了主要方法仍然不起作用幫助？package com.teachersdunet.hellojavafx;import javafx.application.Application;import javafx.stage.Stage;public class HelloApp extends Application { public static void main(String[] args) { Application.launch(args); } @Override public void start(Stage primaryStage) throws Exception { }}這是執(zhí)行后的錯誤：Exception in Application constructorException in thread "main" java.lang.reflect.InvocationTargetException at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:567) at java.base/sun.launcher.LauncherHelper$FXHelper.main(LauncherHelper.java:1051)Caused by: java.lang.RuntimeException: Unable to construct Application instance: class com.teachersdunet.hellojavafx.HelloApp at javafx.graphics/com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:890) at javafx.graphics/com.sun.javafx.application.LauncherImpl.lambda$launchApplication$2(LauncherImpl.java:195) at java.base/java.lang.Thread.run(Thread.java:835)Caused by: java.lang.IllegalAccessException: class com.sun.javafx.application.LauncherImpl (in module javafx.graphics) cannot access class com.teachersdunet.hellojavafx.HelloApp (in module com.teachersdunet.hellojavafx) because module com.teachersdunet.hellojavafx does not export com.teachersdunet.hellojavafx to module javafx.graphics ... 1 more
如何修復(fù)應(yīng)用程序構(gòu)造函數(shù)中的異常
哆啦的時光機(jī)
2023-04-13 16:47:25
