import java.util.Scanner; public class MakeChange { public static void main(String[] args) { // Create a Scanner object for user input Scanner scanner = new Scanner(System.in); // Ask the user for the amount of change in dollars System.out.print("Enter the amount of change: "); double dollarAmount = scanner.nextDouble(); // Convert the dollar amount to cents int cents = (int) (dollarAmount * 100); // Calculate the total number of coins int quarters = cents / 25; cents %= 25; int dimes = cents / 10; cents %= 10; int nickels = cents / 5; cents %= 5; int pennies = cents / 1; cents %= 1; // Calculate the total number of coins int totalCoins = quarters + dimes + nickels + pennies; System.out.println("Change due is: $"+ dollarAmount); // Output the total number of coins System.out.println("This is following "+ totalCoins+" coins: "); // Output the individual coin counts System.out.println("Quarters: " + quarters); System.out.println("Dimes: " + dimes); System.out.println("Nickels: " + nickels); System.out.println("Pennies: " + pennies); // Close the scanner scanner.close(); } } when i run the program it doesn't count 4 pennies when i enter 0.29, why is that?

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Related questions

Question

import java.util.Scanner;

public class MakeChange {

public static void main(String[] args) {

// Create a Scanner object for user input

Scanner scanner = new Scanner(System.in);

// Ask the user for the amount of change in dollars

System.out.print("Enter the amount of change: ");

double dollarAmount = scanner.nextDouble();

// Convert the dollar amount to cents

int cents = (int) (dollarAmount * 100);

// Calculate the total number of coins

int quarters = cents / 25;

cents %= 25;

int dimes = cents / 10;

cents %= 10;

int nickels = cents / 5;

cents %= 5;

int pennies = cents / 1;

cents %= 1;

// Calculate the total number of coins

int totalCoins = quarters + dimes + nickels + pennies;

System.out.println("Change due is: $"+ dollarAmount);

// Output the total number of coins

System.out.println("This is following "+ totalCoins+" coins: ");

// Output the individual coin counts

System.out.println("Quarters: " + quarters);

System.out.println("Dimes: " + dimes);

System.out.println("Nickels: " + nickels);

System.out.println("Pennies: " + pennies);

// Close the scanner

scanner.close();

}

when i run the program it doesn't count 4 pennies when i enter 0.29, why is that?

Expert Solution

Step 1: Introduction to the cause of the error

The issue you're encountering in your program is related to floating-point precision when converting dollar amounts to cents. Floating-point numbers like double in Java can sometimes lead to small precision errors, which can affect the results of calculations. When you enter 0.29 dollars, the conversion to cents may not yield exactly 29 cents due to these precision issues.

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.

Similar questions