Asked Oct 18, 2019

java write a app that prompts the user for the number of miles and outputs the conversion to kilometers. Get input from the user by creating an input form at the top of the UI

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Step 1

Program Description

  • A java JavaX application is written which accepts user input in miles and displays the output in kilometers.
  • A support function is designed which is called by button click event and it converts the miles to kilometers.
  • A UI is designed using GridPane and two text fields and a button.
Step 2

Java Program

import javafx.application.Application;

import javafx.geometry.Pos;

import javafx.geometry.HPos;

import javafx.scene.Scene;

import javafx.scene.control.Button;

import javafx.scene.control.Label;

import javafx.scene.control.TextField;

import javafx.scene.layout.GridPane;

import javafx.stage.Stage;


public class MilesToKMCalculator extends Application {

     //declare UI variables to accept user input and

     //and display output value

     private TextField tfMiles = new TextField();

     private TextField tfKilometers = new TextField();

     private Button btCalculate = new Button("Calculate");



// Override the start method in the Application class

     public void start(Stage primaryStage) {

           // Create UI

           GridPane gridPane = new GridPane();



           gridPane.add(new Label("Miles:"), 0, 0);

           gridPane.add(tfMiles, 1, 0);

           gridPane.add(new Label("Kilometers:"), 0, 1);

           gridPane.add(tfKilometers, 1, 1);

           gridPane.add(btCalculate, 1, 3);

           // Set properties for UI






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