Visual Studio 2012 C# If you know a vehicle\'s speed and the amount of time it h
ID: 671966 • Letter: V
Question
Visual Studio 2012 C#
If you know a vehicle's speed and the amount of time it has travelled, you can calculate the distance it has travelled as follows:
* Distance = Speed * Time
For example, if a train travels 40 miles per hour for 3 hours, the distance travelled is 120 miles. Create an application with a form of the Calculator.
When the user clicks the calculate button, the application should display an input box asking the user for the speed of the vehicle in miles-per-hour, followed by another input box asking for the amount of time, in hours, that the vehicle has travelled. Then it should use a loop to display in a list box the distance the vehicle has travelled for each hour of that time period.
This is what I have so far:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace HW5CH5_1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void calculateButton_Click(object sender, EventArgs e)
{
double vehicle;
int hours;
int count = 1;
if (double.TryParse(vehicleSpeedTextBox.Text, out vehicle))
{
if (int.TryParse(hoursTextBox.Text, out hours))
while (count <= hours)
vehicle = vehicle * hours;
outputListBox.Items.Add("After hour " + count + " the distance is " + vehicle.ToString());
count = count + 1;
}
}
}
}
It's not working for me. Can someone correct this? Correct it in the code or make a completely new one please.
Explanation / Answer
C# Program to Calculate the Distance Travelled by Reading Speed and Time
class program
{
public static void Main()
{
int speed, distance, time;
Console.WriteLine("Enter the Speed(km/hr) : ");
speed = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter the Time(hrs) : ");
time = Convert.ToInt32(Console.ReadLine());
distance = speed * time;
Console.WriteLine("Distance Travelled (kms) : " + distance);
Console.ReadLine();
}
}
java Program to Calculate the Distance Travelled by Reading Speed and Time
import javax.swing.JOptionPane;
import java.io.*;
public class DistTravel
{
public static void main(String[] args) throws IOException
{
// Declare the variables.
String input;
int speed, time;
// The 'Distance Traveled' equation.
Distance();
// Display Data
displayData(speed, time);
System.exit(0);
}
public static int Distance()
{
// Get the vehicle speed from the user.
// Declare the variables
int speed;
int time;
speed = Integer.parseInt(input);
String input; // To hold user's input.
input = JOptionPane.showInputDialog("What is your vehicle's speed in miles-per-hours? ");
while (speed <= 0)
{
input = JOptionPane.showInputDialog("Your speed must be greater than zero. Please re-enter. ");
speed = Integer.parseInt(input);
}
// Get the hours traveled from the user.
input = JOptionPane.showInputDialog("How many hours have you traveled, thus far? ");
time = Integer.parseInt(input);
while (time <= 1)
{
input = JOptionPane.showInputDialog("How many hours have you traveled for? ");
time = Integer.parseInt(input);
}
return speed * time;
}
public static void displayData(int speed, int time)
{
for(int i = 1; i <= time; i++)
{
JOptionPane.showMessageDialog(null, "Hour(s): Distance Traveled" +
"----------------------------" + "Hour" + ": " + i + (speed * i) + " miles traveled");
}
} }
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