javafx给了我多个错误
我有一个创建了简单GUI的JavaFX程序。然而,每当我运行它时,它都会给我一个似乎无法修复的错误 代码如下:javafx给了我多个错误,java,javafx,javafx-8,Java,Javafx,Javafx 8,我有一个创建了简单GUI的JavaFX程序。然而,每当我运行它时,它都会给我一个似乎无法修复的错误 代码如下: package me.sam.algorithm; import javafx.application.Application; import javafx.geometry.Insets; import javafx.geometry.Pos; import javafx.scene.Scene; import javafx.scene.control.Button; import
package me.sam.algorithm;
import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.ToggleButton;
import javafx.scene.control.ToggleGroup;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
class SchoolDay extends Application {
public void start(Stage Primarystage) {
//main menu
VBox menu = new VBox();
HBox mini1= new HBox();
HBox mini2= new HBox();
menu.setPadding(new Insets(15,12,15,12));
menu.setSpacing(20);
mini1.setSpacing(3);
mini2.setSpacing(3);
Scene mainm = new Scene(menu, 500, 500, Color.BLACK);
Label s1 = new Label("What day is it?");
Label s2 = new Label("Is it late or regular start?");
Label s3 = new Label("If you've filled everything out, press start!");
Button beg = new Button("Start!");
ToggleButton l1 = new ToggleButton("Regular Start");
ToggleButton l2 = new ToggleButton("Late Start");
ToggleButton d1 = new ToggleButton("Day 1");
ToggleButton d2 = new ToggleButton("Day 2");
ToggleButton d3 = new ToggleButton("Day 3");
ToggleButton d4 = new ToggleButton("Day 4");
ToggleButton d5 = new ToggleButton("Day 5");
ToggleButton d6 = new ToggleButton("Day 6");
ToggleGroup togg1 = new ToggleGroup();
ToggleGroup togg2 = new ToggleGroup();
d1.setToggleGroup(togg1);
d2.setToggleGroup(togg1);
d3.setToggleGroup(togg1);
d4.setToggleGroup(togg1);
d5.setToggleGroup(togg1);
d6.setToggleGroup(togg1);
l1.setToggleGroup(togg2);
l2.setToggleGroup(togg2);
mini2.getChildren().addAll(l1,l2);
mini1.getChildren().addAll(d1,d2,d3,d4,d5,d6);
menu.getChildren().addAll(s1,mini1,s2,mini2,s3,beg);
menu.setAlignment(Pos.BASELINE_CENTER);
mini1.setAlignment(Pos.CENTER);
mini2.setAlignment(Pos.CENTER);
Primarystage.setTitle("MICDS Day");
Primarystage.setScene(mainm);
Primarystage.show();
//main scene
}
public static void main(String[] args) {
launch(args);
}
}}
`
我在这里发布的原因是,在我开始从jfxrt.jar提取modena.css文件之前,这个错误不在这里。是我在JDK/JRE中出错了还是代码错误。还有,它是可以修复的吗?我已经尝试卸载jdk并重新安装它。为了以防万一,我使用eclipse neon IDE
无论我做什么,它都会给我一个错误:
Exception in Application constructor
Exception in thread "main" java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at sun.launcher.LauncherHelper$FXHelper.main(Unknown Source)
Caused by: java.lang.RuntimeException: Unable to construct Application i instance: class me.samJFX.SchoolDay
at com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:907)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication$155(LauncherImpl.java:182)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NoSuchMethodException: me.samJFX.SchoolDay.<init>()
at java.lang.Class.getConstructor0(Unknown Source)
at java.lang.Class.getConstructor(Unknown Source)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$161(LauncherImpl.java:818)
at com.sun.javafx.application.PlatformImpl.lambda$runAndWait$175(PlatformImpl.java:326)
at com.sun.javafx.application.PlatformImpl.lambda$null$173(PlatformImpl.java:295)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.application.PlatformImpl.lambda$runLater$174(PlatformImpl.java:294)
at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at com.sun.glass.ui.win.WinApplication.lambda$null$148(WinApplication.java:191)
... 1 more
应用程序构造函数中的异常
线程“main”java.lang.reflect.InvocationTargetException中出现异常
在sun.reflect.NativeMethodAccessorImpl.invoke0(本机方法)处
位于sun.reflect.NativeMethodAccessorImpl.invoke(未知源)
在sun.reflect.DelegatingMethodAccessorImpl.invoke处(未知源)
位于java.lang.reflect.Method.invoke(未知源)
位于sun.launcher.launchelper$FXHelper.main(未知源)
原因:java.lang.RuntimeException:无法构造应用程序i实例:class me.samJFX.SchoolDay
位于com.sun.javafx.application.LaunchImpl.launchApplication1(LaunchImpl.java:907)
在com.sun.javafx.application.launchempl.lambda$launchApplication$155(launchempl.java:182)
位于java.lang.Thread.run(未知源)
原因:java.lang.NoSuchMethodException:me.samJFX.SchoolDay。()
位于java.lang.Class.getConstructor0(未知源)
位于java.lang.Class.getConstructor(未知源)
在com.sun.javafx.application.launchempl.lambda$launchApplication1$161(launchempl.java:818)
位于com.sun.javafx.application.PlatformImpl.lambda$runAndWait$175(PlatformImpl.java:326)
位于com.sun.javafx.application.PlatformImpl.lambda$null$173(PlatformImpl.java:295)
位于java.security.AccessController.doPrivileged(本机方法)
位于com.sun.javafx.application.PlatformImpl.lambda$runLater$174(PlatformImpl.java:294)
位于com.sun.glass.ui.invokelateDispatcher$Future.run(invokelateDispatcher.java:95)
在com.sun.glass.ui.win.WinApplication.\u runLoop(本机方法)
位于com.sun.glass.ui.win.WinApplication.lambda$null$148(WinApplication.java:191)
... 还有一个
将
上课日
公开Application.launch
无法访问导致此异常的非public
类的构造函数
java.lang.NoSuchMethodException: me.samJFX.SchoolDay.<init>()
java.lang.NoSuchMethodException:me.samJFX.SchoolDay.()
还要修复该包(me.samJFX
!=me.sam.algorithm
)
此外,编译器将抱怨最后一个}
,因为该类已被前一个}
关闭
(我不知道你怎么会在最后两期中运行这段代码。)你说的“我开始从jfxrt.jar中提取modena.css文件”是什么意思?将
class SchoolDay
更改为public class SchoolDay