Question

Write a program that reads three integer values from the keyboard using the Scanner class representing,

respectively, a number of quarters, dimes, and nickels. Convert the total coin amount to dollars and

output the result.

Answer 1

Solution written in JAVA.

Comments have been added in the code to understand the code.

import java.util.Scanner;

public class ConvertToDollar {

    
    public static void main(String[] args) {
        int quarters;           //variable to store quarter
        int dimes;              //variable to store dimes
        int nickels;            //variable to store nickels
        double dollar;          //variable to store total value in dollar
        Scanner scanner = new Scanner(System.in); //to scan the input
        System.out.println("Enter quarters: "); 
        quarters = scanner.nextInt();       //to read quarter 
        System.out.println("Enter dimes: ");
        dimes = scanner.nextInt();          //to read dimes
        System.out.println("Enter nickels: ");
        nickels = scanner.nextInt();        //to read nickels
        scanner.close();                    //scanner has to be closed to avoid leak

        //calculate cents by multiplying 25 to quarters, 10 to dimes and 5 to nickels
        int cents = (25 * quarters) + (10 *dimes) + (5 * nickels); 
        dollar = cents / 100.0;             //calculate dollar from cents
        System.out.println("Total value in dollar: "+dollar);
    }
    
}

Output