Question

1. Write a JavaFX application that displays a Label containing the opening sentence or two from your favorite book. Save the project as FXBookQuote1a.

2. Add a button to the frame in the FXBookQuote program. When the user clicks the button, display the title of the book that contains the quote in a second label. Save the project as FXBookQuote1b

// FXBookQuote1a.java

import javafx.application.Application;

import static javafx.application.Application.launch;

import javafx.geometry.Insets;

import javafx.scene.Scene;

import javafx.scene.control.Label;

import javafx.scene.layout.Pane;

import javafx.scene.text.Font;

import javafx.stage.Stage;

public class FXBookQuote1a extends Application {

    //String storing the favorite quote from a book

    String quote = "Not All Those Who Wander Are Lost";

    @Override

    public void start(Stage primaryStage) {

        //creating a Label with the quote

        Label label=new Label(quote);

        //using a bigger font

        label.setFont(new Font(20));

        //creating a pane and adding the label

        Pane root = new Pane(label);

        //adding some padding space around the label

        label.setPadding(new Insets(50));

        //setting up a scene and displaying it

        Scene scene = new Scene(root);

        primaryStage.setScene(scene);

        primaryStage.setTitle("FXBookQuote1a");

        primaryStage.show();

    }

    public static void main(String[] args) {

        launch(args);

    }

}

// FXBookQuote1b.java

import javafx.application.Application;

import static javafx.application.Application.launch;

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.layout.Pane;

import javafx.scene.layout.VBox;

import javafx.scene.text.Font;

import javafx.stage.Stage;

public class FXBookQuote1b extends Application {

    //String storing the favorite quote from a book

    String quote = "Not All Those Who Wander Are Lost";

    //book name

    String bookName="Lord Of The Rings";

    @Override

    public void start(Stage primaryStage) {

        //creating a Label with the quote

        Label label1=new Label(quote);

        //using a bigger font

        label1.setFont(new Font(20));

       

        //creating another label to display book name, it is empty by default

        Label label2=new Label("");

       

        //creating a Button

        Button button=new Button("Show Book Name");

        //adding action listener to the button

        button.setOnAction(e->{

            //updating label2 with book name

            label2.setText(bookName);

        });

        //creating a VBox to arrange elements vertically, adding all elements

        VBox root = new VBox(label1,label2,button);

        root.setSpacing(10); //adding some space between components

        //aligning elements at center

        root.setAlignment(Pos.CENTER);

        //adding some space around the vbox

        root.setPadding(new Insets(30));

       

        //setting up a scene and displaying it

        Scene scene = new Scene(root);

        primaryStage.setScene(scene);

        primaryStage.setTitle("FXBookQuote1b");

        primaryStage.show();

    }

    public static void main(String[] args) {

        launch(args);

    }

}

This Code is not working for me.

FXBookQuote1a.java:3: error: package javafx.application does not exist
import javafx.application.Application;
^

Answer 1

Since latest version of JDK does not support JavaFx. So there is one cheat. You can download an older version of JDK (jdk1.8).

After installing it, configure your IDE to old JDK.

like in below image. This may help you.

//Java code1

import javafx.application.Application;

import javafx.geometry.Insets;

import javafx.scene.Scene;

import javafx.scene.control.Label;

import javafx.scene.layout.Pane;

import javafx.scene.text.Font;

import javafx.stage.Stage;

public class FXBookQuote1a extends Application {

    //String storing the favorite quote from a book

    String quote = "Not All Those Who Wander Are Lost";

    @Override

    public void start(Stage primaryStage) {

        //creating a Label with the quote

        Label label=new Label(quote);

        //using a bigger font

        label.setFont(new Font(20));

        //creating a pane and adding the label

        Pane root = new Pane(label);

        //adding some padding space around the label

        label.setPadding(new Insets(50));

        //setting up a scene and displaying it

        Scene scene = new Scene(root);

        primaryStage.setScene(scene);

        primaryStage.setTitle("FXBookQuote1a");

        primaryStage.show();

    }

    public static void main(String[] args) {

        launch(args);

    }

}

//Output

//Java Code2

import javafx.application.Application;

import static javafx.application.Application.launch;

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.layout.Pane;

import javafx.scene.layout.VBox;

import javafx.scene.text.Font;

import javafx.stage.Stage;

public class FXBookQuote1b extends Application {

    //String storing the favorite quote from a book

    String quote = "Not All Those Who Wander Are Lost";

    //book name

    String bookName="Lord Of The Rings";

    @Override

    public void start(Stage primaryStage) {

        //creating a Label with the quote

        Label label1=new Label(quote);

        //using a bigger font

        label1.setFont(new Font(20));



        //creating another label to display book name, it is empty by default

        Label label2=new Label("");



        //creating a Button

        Button button=new Button("Show Book Name");

        //adding action listener to the button

        button.setOnAction(e->{

            //updating label2 with book name

            label2.setText(bookName);

        });

        //creating a VBox to arrange elements vertically, adding all elements

        VBox root = new VBox(label1,label2,button);

        root.setSpacing(10); //adding some space between components

        //aligning elements at center

        root.setAlignment(Pos.CENTER);

        //adding some space around the vbox

        root.setPadding(new Insets(30));



        //setting up a scene and displaying it

        Scene scene = new Scene(root);

        primaryStage.setScene(scene);

        primaryStage.setTitle("FXBookQuote1b");

        primaryStage.show();

    }

    public static void main(String[] args) {

        launch(args);

    }

}

//output

//If you need any help regarding this solution .... please leave a comment ....... thanks