You're creating a scene at the end of some kind of nested for loop?
Gj
On Mon, Jul 6, 2020 at 10:54 AM Brain Rebooting <siumastroma...@gmail.com>
wrote:
> OK. Here I am going to submit my simple source code of JavaFX program,
> that should show a black and white chessboard.
>
>
> ------------------------------------------------------------------------------------------------------------------------------------------------
>
>
> import javafx.application.Application;
> import javafx.scene.Scene;
> import javafx.scene.layout.Pane;
> import javafx.scene.paint.Color;
> import javafx.stage.Stage;
> import javafx.scene.shape.Rectangle;
>
> /**
> *
> * @author samiul alom sium
> * date: 07.07.2020
> *
> * problem: (Game: display a checkerboard) Write a program that displays
> * a checkerboard in which each white and black cell is a Rectangle
> * with a fill color black or white.
> */
>
> public class DisplayACheckBoard extends Application {
>
> @Override
> public void start(Stage primaryStage) {
>
> double WIDTH = 200;
> double HEIGHT = 200;
>
> // create a pane
> Pane pane = new Pane();
>
> for(int i = 0; i < 8; i++){
> boolean isWhite = i % 2 == 0;
> for(int j = 0; j < 8; j++){
> Rectangle rectangle = new Rectangle(i * WIDTH / 8,
> j * HEIGHT / 8, WIDTH / 8, HEIGHT / 8);
>
> rectangle.setStroke(Color.BLACK);
>
> if(isWhite){
> rectangle.setFill(Color.WHITE);
> }
> else {
> rectangle.setFill(Color.BLACK);
> }
>
> isWhite = !isWhite;
>
> pane.getChildren().add(rectangle);
>
> // create scene
> Scene scene = new Scene(pane, WIDTH, HEIGHT);
> primaryStage.setTitle("Display A CheckBoard");
> primaryStage.setScene(scene);
> primaryStage.show();
>
> } // end of inner for loop
> } // end of outer for loop
>
> }
>
> public static void main(String[] args) {
> launch(args);
>
>
> ------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Here I used:
>
> JDK: amazon corretto 1.8.0 252
> OS: Ubuntu 18.04.4 LTS
> IDE: Apache NetBeans 12
> Build Tool: Ant
>
> //
> Extra info:
> Even netbeans-12 error detector didn't show any error on the above code.
> Problem arises when I am going to run the code. I try to clean and build
> projects and then run the projects, but still same results come in. But the
> strange thing is, this same source code works in IntelliJ IDEA community
> edition with same compiler. Even I can't remember I could see any GUI
> result of my JavaFX program in NB-12, but I could do that well in NB-11.3
> //
>
> On Mon, Jul 6, 2020 at 2:52 PM Brain Rebooting <siumastroma...@gmail.com>
> wrote:
>
>> OK. Here I am going to submit my simple source code of JavaFX program,
>> that should show a black and white chessboard.
>>
>>
>> ------------------------------------------------------------------------------------------------------------------------------------------------
>>
>>
>> import javafx.application.Application;
>> import javafx.scene.Scene;
>> import javafx.scene.layout.Pane;
>> import javafx.scene.paint.Color;
>> import javafx.stage.Stage;
>> import javafx.scene.shape.Rectangle;
>>
>> /**
>> *
>> * @author samiul alom sium
>> * date: 07.07.2020
>> *
>> * problem: (Game: display a checkerboard) Write a program that displays
>> * a checkerboard in which each white and black cell is a Rectangle
>> * with a fill color black or white.
>> */
>>
>> public class DisplayACheckBoard extends Application {
>>
>> @Override
>> public void start(Stage primaryStage) {
>>
>> double WIDTH = 200;
>> double HEIGHT = 200;
>>
>> // create a pane
>> Pane pane = new Pane();
>>
>> for(int i = 0; i < 8; i++){
>> boolean isWhite = i % 2 == 0;
>> for(int j = 0; j < 8; j++){
>> Rectangle rectangle = new Rectangle(i * WIDTH / 8,
>> j * HEIGHT / 8, WIDTH / 8, HEIGHT / 8);
>>
>> rectangle.setStroke(Color.BLACK);
>>
>> if(isWhite){
>> rectangle.setFill(Color.WHITE);
>> }
>> else {
>> rectangle.setFill(Color.BLACK);
>> }
>>
>> isWhite = !isWhite;
>>
>> pane.getChildren().add(rectangle);
>>
>> // create scene
>> Scene scene = new Scene(pane, WIDTH, HEIGHT);
>> primaryStage.setTitle("Display A CheckBoard");
>> primaryStage.setScene(scene);
>> primaryStage.show();
>>
>> } // end of inner for loop
>> } // end of outer for loop
>>
>> }
>>
>> public static void main(String[] args) {
>> launch(args);
>>
>>
>> ------------------------------------------------------------------------------------------------------------------------------------------------------
>>
>> Here I used:
>>
>> JDK: amazon corretto 1.8.0 252
>> OS: Ubuntu 18.04.4 LTS
>> IDE: Apache NetBeans 12
>> Build Tool: Ant
>>
>> //
>> Extra info:
>> Even netbeans-12 error detector didn't show any error on the above code.
>> Problem arises when I am going to run the code. I try to clean and build
>> projects and then run the projects, but still same results come in. But the
>> strange thing is, this same source code works in IntelliJ IDEA community
>> edition with same compiler. Even I can't remember I could see any GUI
>> result of my JavaFX program in NB-12, but I could do that well in NB-11.3
>> //
>>
>> On Mon, Jul 6, 2020 at 1:08 PM Geertjan Wielenga <geert...@apache.org>
>> wrote:
>>
>>> Can you provide any info so someone can reproduce the problem?
>>>
>>> Gj
>>>
>>> On Mon, 6 Jul 2020 at 08:02, Brain Rebooting <siumastroma...@gmail.com>
>>> wrote:
>>>
>>>> Probably not only this specific program. After installing NetBeans 12,
>>>> none of my JavaFX program show output (with ant build). But NetBeans 11.3
>>>> with all same configuration, did output my JavaFX program.
>>>>
>>>> On Mon, Jul 6, 2020 at 11:47 AM Brain Rebooting <
>>>> siumastroma...@gmail.com> wrote:
>>>>
>>>>>
>>>>> Problems started from this line on the console:
>>>>>
>>>>> Exception in Application start method
>>>>>
>>>>> But when I run the same program in IntelliJ IDEA community edition, it
>>>>> just works and literally I don't see any error on my own source code.
>>>>> Apache NetBeans error detector don't show any error on my source code. But
>>>>> still when I try to execute it, these errors are displaying on the
>>>>> console.
>>>>>
>>>>> On Mon, Jul 6, 2020 at 11:43 AM Emilian Bold <emilian.b...@gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Please send email to the mailing list (reply all) not just to me.
>>>>>>
>>>>>> --emi
>>>>>>
>>>>>> lun., 6 iul. 2020, 08:34 Brain Rebooting <siumastroma...@gmail.com>
>>>>>> a scris:
>>>>>>
>>>>>>> Problems started from this line on the console:
>>>>>>>
>>>>>>> Exception in Application start method
>>>>>>>
>>>>>>> But when I run the same program in IntelliJ IDEA community edition,
>>>>>>> it just works and literally I don't see any error on my own source code.
>>>>>>> Apache NetBeans error detector don't show any error on my source code.
>>>>>>> But
>>>>>>> still when I try to execute it, these errors are displaying on the
>>>>>>> console.
>>>>>>>
>>>>>>> On Mon, Jul 6, 2020 at 11:30 AM Emilian Bold <emilian.b...@gmail.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Start by telling us which errors you see.
>>>>>>>>
>>>>>>>> --emi
>>>>>>>>
>>>>>>>> lun., 6 iul. 2020, 08:04 Brain Rebooting <siumastroma...@gmail.com>
>>>>>>>> a scris:
>>>>>>>>
>>>>>>>>> Why Apache NetBeans 12 don't execute my JavaFX program? I run the
>>>>>>>>> same to same program in IntelliJ IDEA community edition and it works.
>>>>>>>>> But
>>>>>>>>> NetBeans shows there are some errors. Here is my software usage:
>>>>>>>>>
>>>>>>>>> Apache NetBeans 12
>>>>>>>>> Ubuntu 18
>>>>>>>>> JDK 8
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Samiul alom sium
>>>>>>>>> Bangladesh
>>>>>>>>>
>>>>>>>>
