Do the following exercise, using jGrasp: Write a program that prompts the user t

Question

Do the following exercise, using jGrasp:

Write a program that prompts the user to enter the distance to drive, the fuel efficiency of the car in miles per gallon, and the price per gallon, and displays the cost of the trip.

Here is a sample run (the first three numbers are entered by the user, your program calculates the cost of driving):

You do not need to validate input (you may assume the user always enters positive numbers).

Don't forget to add comments to your code and use proper programming style.

3. Name your class A2 (that is an uppercase A followed by the number 2).

4. Save your Java file as: A2.java

Explanation / Answer

A2.java

import java.text.DecimalFormat;

import java.util.Scanner;

public class A2 {

public static void main(String[] args) {

Scanner scan = new Scanner(System.in);

System.out.println("Enter the driving distance: ");

double distance = scan.nextDouble();

System.out.println("Enter the miles per gallon: ");

double miles = scan.nextDouble();

System.out.println("Enter price per gallon: ");

double price = scan.nextDouble();

double cost = (distance * price)/miles;

DecimalFormat df = new DecimalFormat("0.00");

System.out.println("The cost of driving is $"+df.format(cost));

}

}

Output:

Enter the driving distance:
900.5
Enter the miles per gallon:
25.5
Enter price per gallon:
3.55
The cost of driving is $125.36

Related Questions

Navigate

• Browse (All)
• Browse D
• Subjects

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