TWO people answered this question previously, but did not use my code as the bas

ID: 3847047 • Letter: T

Question

TWO people answered this question previously, but did not use my code as the base nor did the most recent one use JavaFX. Can someone please help me using the code I made thus far?

Help me using Basic knowledge of java and only JavaFX

I need my calculator to take user input, and do and display Division, multiplication, addition, subtraction, clear, delete a inputted number, and make a number inputted negative or positive.

Here is my code so far. It is only the interface.

package JavaFXPackage;

import javafx.application.Application;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.layout.Border;
import javafx.scene.layout.Pane;
import javafx.scene.paint.Color;
import javafx.scene.text.Font;
import javafx.scene.text.FontPosture;
import javafx.scene.text.FontWeight;
import javafx.scene.text.TextAlignment;
import javafx.stage.Stage;

public class MyJavaFX extends Application
{
   @Override // Override the start method in the Application class
   public void start(Stage primaryStage) throws Exception
   {
       double sum = 0;

       // Create a scene and place a button in the scene.
       Pane pane = new Pane();
       pane.setStyle("-fx-background-color: white;");



       Button btnPlusMinus = new Button("+-");
       btnPlusMinus.setLayoutX(0);
       btnPlusMinus.setLayoutY(300);
       btnPlusMinus.setPrefSize(60, 60);
       btnPlusMinus.setFont(Font.font("Arial",FontWeight.BOLD,22));
       btnPlusMinus.setStyle("-fx-background-color: #F3F3F3;");
       pane.getChildren().add(btnPlusMinus);

       Button btnDecimal = new Button(".");
       btnDecimal.setLayoutX(120);
       btnDecimal.setLayoutY(300);
       btnDecimal.setPrefSize(60, 60);
       btnDecimal.setFont(Font.font("Arial",FontWeight.BOLD,22));
       btnDecimal.setStyle("-fx-background-color: #F3F3F3;");
       pane.getChildren().add(btnDecimal);

       Button btnEquals = new Button("=");
       btnEquals.setLayoutX(180);
       btnEquals.setLayoutY(300);
       btnEquals.setPrefSize(60, 60);
       btnEquals.setFont(Font.font("Arial",FontWeight.BOLD,22));
       btnEquals.setStyle("-fx-background-color: #F3F3F3;");
       pane.getChildren().add(btnEquals);

       Button btnAddition = new Button("+");
       btnAddition.setLayoutX(180);
       btnAddition.setLayoutY(240);
       btnAddition.setPrefSize(60, 60);
       btnAddition.setFont(Font.font("Arial",FontWeight.BOLD,22));
       btnAddition.setStyle("-fx-background-color: #F3F3F3;");
       pane.getChildren().add(btnAddition);

       Button btnSubtraction = new Button("-");
       btnSubtraction.setLayoutX(180);
       btnSubtraction.setLayoutY(180);
       btnSubtraction.setPrefSize(60, 60);
       btnSubtraction.setFont(Font.font("Arial",FontWeight.BOLD,22));
       btnSubtraction.setStyle("-fx-background-color: #F3F3F3;");
       pane.getChildren().add(btnSubtraction);

       Button btnDivide = new Button("/");
       btnDivide.setLayoutX(180);
       btnDivide.setLayoutY(120);
       btnDivide.setPrefSize(60, 60);
       btnDivide.setFont(Font.font("Arial",FontWeight.BOLD,22));
       btnDivide.setStyle("-fx-background-color: #F3F3F3;");
       pane.getChildren().add(btnDivide);

       Button btnMultiply = new Button("X");
       btnMultiply.setLayoutX(180);
       btnMultiply.setLayoutY(60);
       btnMultiply.setPrefSize(60, 60);
       btnMultiply.setFont(Font.font("Arial",FontWeight.BOLD,22));
       btnMultiply.setStyle("-fx-background-color: #F3F3F3;");
       pane.getChildren().add(btnMultiply);

       Button btnZero = new Button("0");
       btnZero.setLayoutX(60);
       btnZero.setLayoutY(300);
       btnZero.setPrefSize(60, 60);
       btnZero.setFont(Font.font("Arial",FontWeight.BOLD,22));
       btnZero.setStyle("-fx-background-color: #F3F3F3;");
       pane.getChildren().add(btnZero);

       Button btnOne = new Button("1");
       btnOne.setLayoutX(0);
       btnOne.setLayoutY(240);
       btnOne.setPrefSize(60, 60);
       btnOne.setFont(Font.font("Arial",FontWeight.BOLD,22));
       btnOne.setStyle("-fx-background-color: #F3F3F3;");
       pane.getChildren().add(btnOne);

       Button btnTwo = new Button("2");
       btnTwo.setLayoutX(60);
       btnTwo.setLayoutY(240);
       btnTwo.setPrefSize(60, 60);
       btnTwo.setFont(Font.font("Arial",FontWeight.BOLD,22));
       btnTwo.setStyle("-fx-background-color: #F3F3F3;");
       pane.getChildren().add(btnTwo);

       Button btnThree = new Button("3");
       btnThree.setLayoutX(120);
       btnThree.setLayoutY(240);
       btnThree.setPrefSize(60, 60);
       btnThree.setFont(Font.font("Arial",FontWeight.BOLD,22));
       btnThree.setStyle("-fx-background-color: #F3F3F3;");
       pane.getChildren().add(btnThree);

       Button btnFour = new Button("4");
       btnFour.setLayoutX(0);
       btnFour.setLayoutY(180);
       btnFour.setPrefSize(60, 60);
       btnFour.setFont(Font.font("Arial",FontWeight.BOLD,22));
       btnFour.setStyle("-fx-background-color: #F3F3F3;");
       pane.getChildren().add(btnFour);

       Button btnFive = new Button("5");
       btnFive.setLayoutX(60);
       btnFive.setLayoutY(180);
       btnFive.setPrefSize(60, 60);
       btnFive.setFont(Font.font("Arial",FontWeight.BOLD,22));
       btnFive.setStyle("-fx-background-color: #F3F3F3;");
       pane.getChildren().add(btnFive);

       Button btnSix = new Button("6");
       btnSix.setLayoutX(120);
       btnSix.setLayoutY(180);
       btnSix.setPrefSize(60, 60);
       btnSix.setFont(Font.font("Arial",FontWeight.BOLD,22));
       btnSix.setStyle("-fx-background-color: #F3F3F3;");
       pane.getChildren().add(btnSix);

       Button btnSeven = new Button("7");
       btnSeven.setLayoutX(0);
       btnSeven.setLayoutY(120);
       btnSeven.setPrefSize(60, 60);
       btnSeven.setFont(Font.font("Arial",FontWeight.BOLD,22));
       btnSeven.setStyle("-fx-background-color: #F3F3F3;");
       pane.getChildren().add(btnSeven);

       Button btnEight = new Button("8");
       btnEight.setLayoutX(60);
       btnEight.setLayoutY(120);
       btnEight.setPrefSize(60, 60);
       btnEight.setFont(Font.font("Arial",FontWeight.BOLD,22));
       btnEight.setStyle("-fx-background-color: #F3F3F3;");
       pane.getChildren().add(btnEight);

       Button btnNine = new Button("9");
       btnNine.setLayoutX(120);
       btnNine.setLayoutY(120);
       btnNine.setPrefSize(60, 60);
       btnNine.setFont(Font.font("Arial",FontWeight.BOLD,22));
       btnNine.setStyle("-fx-background-color: #F3F3F3;");
       pane.getChildren().add(btnNine);

       Button btnDelete = new Button("<-");
       btnDelete.setLayoutX(120);
       btnDelete.setLayoutY(60);
       btnDelete.setPrefSize(60, 60);
       btnDelete.setFont(Font.font("Arial",FontWeight.BOLD,22));
       btnDelete.setStyle("-fx-background-color: #F3F3F3;");
       pane.getChildren().add(btnDelete);

       Button btnClear = new Button("C");
       btnClear.setLayoutX(60);
       btnClear.setLayoutY(60);
       btnClear.setPrefSize(60, 60);
       btnClear.setFont(Font.font("Arial",FontWeight.BOLD,22));
       btnClear.setStyle("-fx-background-color: #F3F3F3;");
       pane.getChildren().add(btnClear);

       Button btnPercent = new Button("%");
       btnPercent.setLayoutX(0);
       btnPercent.setLayoutY(60);
       btnPercent.setPrefSize(60, 60);
       btnPercent.setFont(Font.font("Arial",FontWeight.BOLD,22));
       btnPercent.setStyle("-fx-background-color: #F3F3F3;");
       pane.getChildren().add(btnPercent);

       Label myLabel = new Label("123456");
       myLabel.setFont(Font.font("Courier",FontWeight.BOLD,FontPosture.REGULAR,40));
       myLabel.setAlignment(Pos.BASELINE_RIGHT); // align text to the right side of the label.
       myLabel.setLayoutX(10); // set the x location of the label
       myLabel.setLayoutY(5); // set the y location of the label
       myLabel.setPrefSize(220, 60); // set the width and height of the label
       myLabel.setText("123456789"); // put some numbers into the label
       pane.getChildren().add(myLabel);
       myLabel.setText(Double.toString(sum));

       Scene scene = new Scene(pane,240,360, Color.WHITE);
       primaryStage.setTitle("D's Calculator"); // Set the stage title
       primaryStage.setScene(scene); // Place the scene in the stage
       primaryStage.show(); // Display the stage
   }

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

Explanation / Answer

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

Navigate

TWO new software projects are proposed to a young, startup company. The Alpha pr

TWO unequal resistors are in series in a circuit. The one with the most power is

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.

TWO people answered this question previously, but did not use my code as the bas

Question

Explanation / Answer

Related Questions

Navigate