Chapter 3 Exercise 7, Introduction to Java Programming, Tenth Edition Y. Daniel LiangY.

3.7 (Financial application: monetary units) Modify Listing 2.10, ComputeChange .java, to display the nonzero denominations only, using singular words for single units such as 1 dollar and 1 penny, and plural words for more than one unit such as 2 dollars and 3 pennies.

import java.util.Scanner;
 
public class ProgrammingEx3_7 {
 public static void main(String[] args) {
  // Create a Scanner
  Scanner input = new Scanner(System.in);
 
  // Receive the amount
  System.out.print("Enter an amount in double, for example 11.56: ");
  double amount = input.nextDouble();
 
  int remainingAmount = (int) (amount * 100);
 
  // Find the number of one dollars
  int numberOfOneDollars = remainingAmount / 100;
  remainingAmount = remainingAmount % 100;
 
  // Find the number of quarters in the remaining amount
  int numberOfQuarters = remainingAmount / 25;
  remainingAmount = remainingAmount % 25;
 
  // Find the number of dimes in the remaining amount
  int numberOfDimes = remainingAmount / 10;
  remainingAmount = remainingAmount % 10;
 
  // Find the number of nickels in the remaining amount
  int numberOfNickels = remainingAmount / 5;
  remainingAmount = remainingAmount % 5;
 
  // Find the number of pennies in the remaining amount
  int numberOfPennies = remainingAmount;
 
  // Display results
  System.out.println("Your amount " + amount + " consists of");
  if (numberOfOneDollars == 1) {
   System.out.println("    " + numberOfOneDollars + " dollar");
  } else if (numberOfOneDollars > 1) {
   System.out.println("    " + numberOfOneDollars + " dollars");
  }
 
  if (numberOfQuarters == 1) {
   System.out.println("    " + numberOfQuarters + " quarter ");
  } else if (numberOfQuarters > 1) {
   System.out.println("    " + numberOfQuarters + " quarters ");
  }
 
  if (numberOfDimes == 1) {
   System.out.println("    " + numberOfDimes + " dime ");
  } else if (numberOfDimes > 1) {
   System.out.println("    " + numberOfDimes + " dimes ");
  }
 
  if (numberOfDimes == 1) {
   System.out.println("    " + numberOfNickels + " nickel ");
  } else if (numberOfDimes > 1) {
   System.out.println("    " + numberOfNickels + " nickels");
  }
 
  if (numberOfPennies == 1) {
   System.out.println("    " + numberOfPennies + " penny");
  } else if (numberOfPennies > 1) {
   System.out.println("    " + numberOfPennies + " pennies");
  }
 
 }
}