java, javafx, android and spring programing collection

java standard edition

addObject arraylist bufferedreader colors comparator createTable datatypes date enum generateHTML hashmap inheritance insertSQL interface JSONfromWEB jsoup list loop pointMatrix queue readCSV regex sqlToObject stack static super treemap updateTable writeCSV

java FX

3DCharacterMoving 3DMaterialList DroneMotor FlowPane Hello KeyCode KeyMovement ObservableList Pane RotateImage rotateSphere

android

APIview listview ToastTimer touchMovement WriteReadFile

spring framework

HelloWorld RESTful TomcatServlet

java objects

Apple

ObservableList 2022-06-17 21:24:43

tags: fx observablelist lessons view source

KeyMovement 2022-06-17 07:51:04

tags: fx keycode view source

KeyCode 2022-06-17 07:50:57

tags: fx keycode view source

Pane 2022-06-17 07:48:48

tags: fx pane view source

FlowPane 2022-06-17 07:48:41

tags: fx pane view source

RotateImage 2022-06-17 07:48:25

tags: fx transition view source

rotateSphere 2022-06-17 07:47:56

tags: fx oop.3D view source

DroneMotor 2022-06-15 18:15:45

drone motor control simulator

tags: fx view source

3DMaterialList 2022-06-14 17:34:03

tags: fx oop 3D view source

3DCharacterMoving 2022-06-14 17:33:59

tags: fx oop 3D view source

Hello 2022-06-14 16:45:47

tags: fx view source

KeyCode

screenshot

description

source code

import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.input.KeyEvent;
import javafx.scene.layout.Pane;
import javafx.stage.Stage;

import java.io.IOException;

public class HelloApplication extends Application 
{
    public void start(Stage stage) throws IOException 
    {
        Pane pane = new Pane();
        Scene scene = new Scene(pane, 300, 300);
        Label label = new Label("test");
        pane.getChildren().add(label);
        scene.setOnKeyPressed(new EventHandler<KeyEvent>() 
        {
            @Override
            public void handle(KeyEvent event) 
            {
                switch (event.getCode()) 
                {
                    case UP:     System.out.println("up"); label.setText("up");  break;
                    case DOWN:   System.out.println("down"); label.setText("down");break;
                    case LEFT:   System.out.println("left"); label.setText("left");break;
                    case RIGHT:  System.out.println("right"); label.setText("right");break;
                    case A:  System.out.println("click A"); label.setText("click"); break;
                }
            }
        });

stage.setScene(scene);
        stage.show();
    }

public static void main(String[] args) 
    {
        launch();
    }
}