EX4

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.DatePicker;
import javafx.scene.control.Label;
import javafx.scene.control.TextArea;
import javafx.scene.control.TextField;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

public class MyNote extends Application {

    @Override
    public void start(Stage primaryStage) {
        VBox g = new VBox(8);
        g.setAlignment(Pos.CENTER);
        g.setPadding(new Insets(10,5,10,5));

        VBox alltop = new VBox(3);

        HBox top1 = new HBox(0);
        Label topic = new Label("Topic : ");
        TextField t = new TextField();
        t.setPrefWidth(200);
        top1.setAlignment(Pos.TOP_LEFT);
        top1.getChildren().addAll(topic,t);

        HBox top2 = new HBox(0);
        Label date = new Label("Date : ");
        DatePicker d = new DatePicker();
        d.setPrefWidth(150);
        top2.setAlignment(Pos.TOP_LEFT);
        top2.getChildren().addAll(date,d);

        alltop.setAlignment(Pos.TOP_LEFT);
        alltop.getChildren().addAll(top1,top2);

        TextArea mid = new TextArea();
        mid.prefWidthProperty().bindBidirectional(g.prefWidthProperty());

        HBox bot = new HBox(3);
        Button ok = new Button("OK");
        ok.setPrefWidth(60);
        Button clear = new Button("Clear");
        clear.setPrefWidth(60);
        bot.setAlignment(Pos.BOTTOM_RIGHT);
        bot.getChildren().addAll(ok,clear);

        g.getChildren().addAll(alltop,mid,bot);

        Scene s = new Scene(g,250,280);
        primaryStage.setScene(s);
        primaryStage.setTitle("MyNote");
        primaryStage.show();
    }

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