質問編集履歴
2
コードとエラーを変更しました。エラーが長すぎて入りきらなかったため、コードを別で載せます
test
CHANGED
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File without changes
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test
CHANGED
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@@ -13,243 +13,62 @@
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### 発生している問題・エラーメッセージ
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```
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Exception in Application start
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at
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19
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at java.base/java.
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at javafx.
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at javafx.
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at java.base/
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at java.base/java.
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at java.base/sun.
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-
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at javafx.
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at javafx.
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at java.base/java.
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-
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at javafx.
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at javafx.base@19/com.sun.javafx.
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at
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at javafx.graphics@19/
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at javafx.
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at javafx.
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Exception in thread "JavaFX Application Thread" java.lang.ClassCastException: class javafx.scene.control.CheckBox cannot be cast to class javafx.scene.control.TextField (javafx.scene.control.CheckBox and javafx.scene.control.TextField are in module javafx.controls@19 of loader 'app')
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at Otameshi$MyEventHandler.handle(Otameshi.java:139)
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at Otameshi$MyEventHandler.handle(Otameshi.java:120)
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at javafx.base@19/com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(CompositeEventHandler.java:247)
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at javafx.base@19/com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:80)
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at javafx.base@19/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:234)
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22
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at javafx.base@19/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
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23
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at javafx.base@19/com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
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at javafx.base@19/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
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at javafx.base@19/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
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at javafx.base@19/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
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at javafx.base@19/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
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at javafx.base@19/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
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at javafx.base@19/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
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at javafx.base@19/com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
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at javafx.base@19/com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49)
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at javafx.base@19/javafx.event.Event.fireEvent(Event.java:198)
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at javafx.graphics@19/javafx.scene.Node.fireEvent(Node.java:8923)
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at javafx.controls@19/javafx.scene.control.CheckBox.fire(CheckBox.java:240)
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at javafx.controls@19/com.sun.javafx.scene.control.behavior.ButtonBehavior.mouseReleased(ButtonBehavior.java:207)
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at javafx.controls@19/com.sun.javafx.scene.control.inputmap.InputMap.handle(InputMap.java:274)
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at javafx.base@19/com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(CompositeEventHandler.java:247)
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at javafx.base@19/com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:80)
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at javafx.base@19/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:234)
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at javafx.base@19/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
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at javafx.base@19/com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
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at javafx.base@19/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
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at javafx.base@19/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
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at javafx.base@19/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
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at javafx.base@19/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
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at javafx.base@19/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
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at javafx.base@19/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
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at javafx.base@19/com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
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at javafx.base@19/com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54)
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at javafx.base@19/javafx.event.Event.fireEvent(Event.java:198)
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at javafx.graphics@19/javafx.scene.Scene$MouseHandler.process(Scene.java:3894)
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at javafx.graphics@19/javafx.scene.Scene.processMouseEvent(Scene.java:1887)
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at javafx.graphics@19/javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2620)
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at javafx.graphics@19/com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:411)
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at javafx.graphics@19/com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:301)
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at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
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at javafx.graphics@19/com.sun.javafx.tk.quantum.GlassViewEventHandler.lambda$handleMouseEvent$2(GlassViewEventHandler.java:450)
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at javafx.graphics@19/com.sun.javafx.a
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at javafx.graphics@19/com.sun.javafx.tk.quantum.QuantumToolkit.runWithoutRenderLock(QuantumToolkit.java:424)
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at javafx.graphics@19/com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:449)
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at javafx.graphics@19/com.sun.glass.ui.
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at javafx.graphics@19/com.sun.glass.ui.View.handleMouseEvent(View.java:551)
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at javafx.graphics@19/com.sun.glass.ui.View.notifyMouse(View.java:937)
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at javafx.graphics@19/com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
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at javafx.graphics@19/com.sun.glass.ui.win.WinApplication.lambda$runLoop$3(WinApplication.java:184)
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... 1 more
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Exception running application Otameshi
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```
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### 該当のソースコード
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```Java
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import javafx.application.*;
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import javafx.scene.*;
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import javafx.scene.layout.*;
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import javafx.scene.control.*;
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import javafx.stage.*;
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import javafx.event.*;
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import javafx.geometry.*;
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import javafx.collections.*;
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public class Otameshi extends Application
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{
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private Label resultlb;
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public void start(Stage stage) throws Exception
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{
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//ラベルの生成・設定
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Label[] lb = new Label[3];
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lb[0] = new Label("課題提出の配点を入力してください");
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lb[1] = new Label("課題を提出した講義を選択してください");
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lb[2] = new Label(" ");
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//テキストフィールドを生成／設定します
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TextField scoretf = new TextField();
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//チェックボックスの生成・設定
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CheckBox cb1 = new CheckBox("第1回課題");
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CheckBox cb2 = new CheckBox("第2回課題");
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CheckBox cb3 = new CheckBox("第3回課題");
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CheckBox cb4 = new CheckBox("第4回課題");
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CheckBox cb5 = new CheckBox("第5回課題");
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CheckBox cb6 = new CheckBox("第6回課題");
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CheckBox cb7 = new CheckBox("第7回課題");
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CheckBox cb8 = new CheckBox("第8回課題");
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CheckBox cb9 = new CheckBox("第9回課題");
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CheckBox cb10 = new CheckBox("第10回課題");
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CheckBox cb11 = new CheckBox("第11回課題");
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CheckBox cb12 = new CheckBox("第12回課題");
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CheckBox cb13 = new CheckBox("第13回課題");
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CheckBox cb14 = new CheckBox("第14回課題");
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CheckBox cb15 = new CheckBox("第15回課題");
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cb1.setSelected(false);
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cb2.setSelected(false);
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cb3.setSelected(false);
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cb4.setSelected(false);
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cb5.setSelected(false);
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cb6.setSelected(false);
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cb7.setSelected(false);
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cb8.setSelected(false);
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cb9.setSelected(false);
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cb10.setSelected(false);
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cb11.setSelected(false);
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cb12.setSelected(false);
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cb13.setSelected(false);
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cb14.setSelected(false);
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cb15.setSelected(false);
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//イベントハンドラ設定
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at java.base/java.lang.Thread.run(Thread.java:1589)
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scoretf.addEventHandler(ActionEvent.ANY, actionhandler);
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cb1.addEventHandler(ActionEvent.ANY, actionhandler);
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cb2.addEventHandler(ActionEvent.ANY, actionhandler);
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cb3.addEventHandler(ActionEvent.ANY, actionhandler);
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cb4.addEventHandler(ActionEvent.ANY, actionhandler);
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cb5.addEventHandler(ActionEvent.ANY, actionhandler);
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cb6.addEventHandler(ActionEvent.ANY, actionhandler);
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cb7.addEventHandler(ActionEvent.ANY, actionhandler);
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cb8.addEventHandler(ActionEvent.ANY, actionhandler);
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cb9.addEventHandler(ActionEvent.ANY, actionhandler);
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cb10.addEventHandler(ActionEvent.ANY, actionhandler);
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cb11.addEventHandler(ActionEvent.ANY, actionhandler);
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cb12.addEventHandler(ActionEvent.ANY, actionhandler);
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cb13.addEventHandler(ActionEvent.ANY, actionhandler);
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cb14.addEventHandler(ActionEvent.ANY, actionhandler);
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cb15.addEventHandler(ActionEvent.ANY, actionhandler);
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//レイアウトの生成・設定
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VBox vb = new VBox();
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ObservableList<Node> lst = vb.getChildren();
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lst.add(lb[0]);
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lst.add(scoretf);
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lst.add(lb[1]);
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lst.add(cb1);
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lst.add(cb2);
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lst.add(cb3);
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lst.add(cb4);
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lst.add(cb5);
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lst.add(cb6);
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lst.add(cb7);
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lst.add(cb8);
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lst.add(cb9);
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lst.add(cb10);
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lst.add(cb11);
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lst.add(cb12);
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lst.add(cb13);
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lst.add(cb14);
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lst.add(cb15);
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lst.add(lb[2]);
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lst.add(resultlb);
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149
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vb.setPadding(new Insets(10));
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vb.setSpacing(15);
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152
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//シーン設定
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Scene scene = new Scene(vb);
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//ステージ設定
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stage.setScene(scene);
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stage.setTitle("成績計算");
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160
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//ステージ表示
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stage.show();
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}
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//イベントハンドラクラスの宣言
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private class MyEventHandler implements EventHandler<ActionEvent>
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{
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public void handle(ActionEvent e)
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{
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CheckBox cb1 = (CheckBox)e.getTarget();
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CheckBox cb2 = (CheckBox)e.getTarget();
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CheckBox cb3 = (CheckBox)e.getTarget();
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CheckBox cb4 = (CheckBox)e.getTarget();
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CheckBox cb5 = (CheckBox)e.getTarget();
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CheckBox cb6 = (CheckBox)e.getTarget();
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CheckBox cb7 = (CheckBox)e.getTarget();
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CheckBox cb8 = (CheckBox)e.getTarget();
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CheckBox cb9 = (CheckBox)e.getTarget();
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CheckBox cb10 = (CheckBox)e.getTarget();
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CheckBox cb11 = (CheckBox)e.getTarget();
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CheckBox cb12 = (CheckBox)e.getTarget();
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CheckBox cb13 = (CheckBox)e.getTarget();
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CheckBox cb14 = (CheckBox)e.getTarget();
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CheckBox cb15 = (CheckBox)e.getTarget();
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TextField scoretf = (TextField)e.getTarget();
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double score = 0;
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double kadai_seiseki = 0;
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try{
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score = Double.parseDouble(scoretf.getText());
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if(cb1.isSelected()){
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kadai_seiseki += (score / 15.0);
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}
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if(cb2.isSelected()){
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kadai_seiseki += (score / 15.0);
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}
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if(cb3.isSelected()){
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kadai_seiseki += (score / 15.0);
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}
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if(cb4.isSelected()){
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kadai_seiseki += (score / 15.0);
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}
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if(cb5.isSelected()){
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kadai_seiseki += (score / 15.0);
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}
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if(cb6.isSelected()){
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kadai_seiseki += (score / 15.0);
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}
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if(cb7.isSelected()){
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kadai_seiseki += (score / 15.0);
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}
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if(cb8.isSelected()){
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kadai_seiseki += (score / 15.0);
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}
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if(cb9.isSelected()){
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kadai_seiseki += (score / 15.0);
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}
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if(cb10.isSelected()){
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kadai_seiseki += (score / 15.0);
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}
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if(cb11.isSelected()){
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kadai_seiseki += (score / 15.0);
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}
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if(cb12.isSelected()){
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kadai_seiseki += (score / 15.0);
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}
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if(cb13.isSelected()){
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kadai_seiseki += (score / 15.0);
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}
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if(cb14.isSelected()){
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kadai_seiseki += (score / 15.0);
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}
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if(cb15.isSelected()){
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kadai_seiseki += (score / 15.0);
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}
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}catch(NumberFormatException ee){
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|
|
237
|
-
}
|
|
238
|
-
|
|
239
|
-
resultlb.setText("" + kadai_seiseki);
|
|
240
|
-
}
|
|
241
|
-
}
|
|
242
|
-
public static void main(String[] args)
|
|
243
|
-
{
|
|
244
|
-
launch(args);
|
|
245
|
-
}
|
|
246
|
-
}
|
|
247
65
|
|
|
248
66
|
```
|
|
249
67
|
|
|
68
|
+
|
|
250
69
|
### 試したこと
|
|
251
70
|
|
|
252
|
-
問題点がどこかわからずいろいろといじりました。
|
|
71
|
+
問題点がどこかわからずいろいろといじりました。
|
|
253
72
|
|
|
254
73
|
### 補足情報（FW/ツールのバージョンなど）
|
|
255
74
|
openjdk version "19.0.1" 2022-10-18
|
1
バージョンの追加
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -252,6 +252,7 @@
|
|
|
252
252
|
問題点がどこかわからずいろいろといじりました。そのため、大変醜いコードになってしまいました。
|
|
253
253
|
|
|
254
254
|
### 補足情報（FW/ツールのバージョンなど）
|
|
255
|
-
|
|
256
|
-
|
|
255
|
+
openjdk version "19.0.1" 2022-10-18
|
|
257
|
-
|
|
256
|
+
OpenJDK Runtime Environment (build 19.0.1+10-21)
|
|
257
|
+
OpenJDK 64-Bit Server VM (build 19.0.1+10-21, mixed mode, sharing)
|
|
258
|
+
|