JavaFX NoSuchElementException
我想用一个菜单按钮重新启动我的Klondike Java应用程序,但编译器总是抛出一个包含以下文本的错误: 线程“JavaFX应用程序线程”java.util.NoSuchElementException中的异常 代码是:JavaFX NoSuchElementException,java,javafx,Java,Javafx,我想用一个菜单按钮重新启动我的Klondike Java应用程序,但编译器总是抛出一个包含以下文本的错误: 线程“JavaFX应用程序线程”java.util.NoSuchElementException中的异常 代码是: import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.image.Image; import javafx.stage.Stage; import javaf
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.image.Image;
import javafx.stage.Stage;
import javafx.scene.control.Menu;
import javafx.scene.control.MenuBar;
import javafx.scene.control.MenuItem;
import javafx.scene.layout.BorderPane;
import javafx.application.Platform;
import javafx.scene.control.SeparatorMenuItem;
public class Klondike extends Application {
private static final double WINDOW_WIDTH = 1400;
private static final double WINDOW_HEIGHT = 900;
public static void main(String[] args) {
launch(args);
}
public void startGame(Stage primaryStage) {
Card.loadCardImages();
Game game = new Game();
BorderPane root = new BorderPane(game);
Scene scene = new Scene(root, WINDOW_WIDTH, WINDOW_HEIGHT);
scene.setRoot(root);
game.setTableBackground(new Image("/table/green.png"));
MenuBar menuBar = new MenuBar();
menuBar.prefWidthProperty().bind(primaryStage.widthProperty());
root.setTop(menuBar);
Menu fileMenu = new Menu("File");
MenuItem newMenuItem = new MenuItem("New Game");
MenuItem exitMenuItem = new MenuItem("Exit");
exitMenuItem.setOnAction(ActionEvent -> Platform.exit());
newMenuItem.setOnAction( e ->
{
System.out.println( "Restarting app!" );
primaryStage.close();
start(primaryStage);
} );
fileMenu.getItems().addAll(newMenuItem, new SeparatorMenuItem(), exitMenuItem);
menuBar.getMenus().addAll(fileMenu);
primaryStage.setTitle("Klondike Solitaire");
primaryStage.setScene(scene);
primaryStage.show();
}
@Override
public void start(Stage primaryStage) {
startGame(primaryStage);
}
}
这是一个学校项目
堆栈跟踪:
Exception in thread "JavaFX Application Thread" java.util.NoSuchElementException
at java.util.ArrayList$Itr.next(ArrayList.java:862)
at com.codecool.klondike.Game.dealCards(Game.java:278)
at com.codecool.klondike.Game.<init>(Game.java:155)
at com.codecool.klondike.Klondike.startGame(Klondike.java:29)
at com.codecool.klondike.Klondike.start(Klondike.java:65)
at com.codecool.klondike.Klondike.lambda$startGame$1(Klondike.java:47)
at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49)
at javafx.event.Event.fireEvent(Event.java:198)
at javafx.scene.control.MenuItem.fire(MenuItem.java:462)
at com.sun.javafx.scene.control.skin.ContextMenuContent$MenuItemContainer.doSelect(ContextMenuContent.java:1405)
at com.sun.javafx.scene.control.skin.ContextMenuContent$MenuItemContainer.lambda$createChildren$343(ContextMenuContent.java:1358)
at com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(CompositeEventHandler.java:218)
at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:80)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54)
at javafx.event.Event.fireEvent(Event.java:198)
at javafx.scene.Scene$MouseHandler.process(Scene.java:3757)
at javafx.scene.Scene$MouseHandler.access$1500(Scene.java:3485)
at javafx.scene.Scene.impl_processMouseEvent(Scene.java:1762)
at javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2494)
at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:394)
at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:295)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.tk.quantum.GlassViewEventHandler.lambda$handleMouseEvent$353(GlassViewEventHandler.java:432)
at com.sun.javafx.tk.quantum.QuantumToolkit.runWithoutRenderLock(QuantumToolkit.java:389)
at com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:431)
at com.sun.glass.ui.View.handleMouseEvent(View.java:555)
at com.sun.glass.ui.View.notifyMouse(View.java:937)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at com.sun.glass.ui.win.WinApplication.lambda$null$147(WinApplication.java:177)
at java.lang.Thread.run(Thread.java:748)
线程“JavaFX应用程序线程”java.util.NoSuchElementException中的异常
在java.util.ArrayList$Itr.next(ArrayList.java:862)
在com.codecool.klondike.Game.dealCards(Game.java:278)上
在com.codecool.klondike.Game。(Game.java:155)
位于com.codecool.klondike.klondike.startGame(klondike.java:29)
位于com.codecool.klondike.klondike.start(klondike.java:65)
com.codecool.klondike.klondike.lambda$startGame$1(klondike.java:47)
在com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)上
位于com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
位于com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
在com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
位于com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
位于com.sun.javafx.event.EventUtil.fireventimpl(EventUtil.java:74)
位于com.sun.javafx.event.EventUtil.firevent(EventUtil.java:49)
位于javafx.event.event.fireEvent(event.java:198)
位于javafx.scene.control.MenuItem.fire(MenuItem.java:462)
位于com.sun.javafx.scene.control.skin.ContextMenuContent$MenuItemContainer.doSelect(ContextMenuContent.java:1405)
位于com.sun.javafx.scene.control.skin.ContextMenuContent$MenuItemContainer.lambda$createChildren$343(ContextMenuContent.java:1358)
位于com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(CompositeEventHandler.java:218)
位于com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:80)
位于com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
位于com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
在com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)上
在com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
位于com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
在com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
位于com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
在com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
位于com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
在com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
位于com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
位于com.sun.javafx.event.EventUtil.fireventimpl(EventUtil.java:74)
位于com.sun.javafx.event.EventUtil.firevent(EventUtil.java:54)
位于javafx.event.event.fireEvent(event.java:198)
位于javafx.scene.scene$MouseHandler.process(scene.java:3757)
在javafx.scene.scene$MouseHandler.access$1500(scene.java:3485)
位于javafx.scene.scene.impl_processMouseEvent(scene.java:1762)
位于javafx.scene.scene$ScenePeerListener.mouseEvent(scene.java:2494)
位于com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:394)
位于com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:295)
位于java.security.AccessController.doPrivileged(本机方法)
位于com.sun.javafx.tk.quantum.GlassViewEventHandler.lambda$handleMouseEvent$353(GlassViewEventHandler.java:432)
位于com.sun.javafx.tk.quantum.QuantumToolkit.runWithoutRenderLock(QuantumToolkit.java:389)
位于com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:431)
位于com.sun.glass.ui.View.handleMouseEvent(View.java:555)
位于com.sun.glass.ui.View.notifyMouse(View.java:937)
在com.sun.glass.ui.win.WinApplication.\u runLoop(本机方法)
位于com.sun.glass.ui.win.WinApplication.lambda$null$147(WinApplication.java:177)
运行(Thread.java:748)
游戏类中的dealCards方法:
public void dealCards() {
Iterator<Card> deckIterator = deck.iterator();
int cardsToAdd = 1;
for(Pile tableauPile: tableauPiles){
for (int i = 0; i < cardsToAdd; i++) {
Card cardToAdd = deckIterator.next(); //This is line 278
if (i + 1 == cardsToAdd){
cardToAdd.flip();
}
tableauPile.addCard(cardToAdd);
addMouseEventHandlers(cardToAdd);
getChildren().add(cardToAdd);
}
cardsToAdd++;
}
deckIterator.forEachRemaining(card -> {
stockPile.addCard(card);
addMouseEventHandlers(card);
getChildren().add(card);
});
}
public-void-dealCards(){
迭代器deck迭代器=deck.Iterator();
int cardsToAdd=1;
对于(桩tableauPile:tableauPiles){
对于(int i=0;i{
储存。添加卡(卡片);
AddMouseeventhandler(卡片);
getChildren().add(卡片);
});
}
也共享游戏和卡片类的代码。你是如何开始这个程序的,你提供了什么参数…?你能解释一下你是如何与游戏和卡片类共享代码的吗?抱歉,我刚开始学习Java。请提供完整的stacktrace。其中包含的信息不仅仅是异常类型……异常堆栈跟踪的第三行,以及代码中的第一行,而不是Java SE中的第一行,是com.codecool.klondike.Game.dealCards(Game.Java:278)
。这意味着问题出现在dealCards方法中的游戏类的第278行。请编辑您的问题,并向我们显示游戏类的第278行,以便我们可以查看问题的原因。您可以调用deckIterator.next()
,而不选中deckIterator.hasNext()
。如果迭代器中没有更多的元素
,则调用next()
将导致NoTouchElementException
。