第三章第七题（金融应用：整钱兑零）(Financial application: monetary units)

    package chapter03;
    
    import java.util.Scanner;
    
    public class Code_07 {
    public static void main(String[] args) {
        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 > 0)
        {
            if(numberOfOneDollars == 1)
                System.out.print(numberOfOneDollars + " dollar");
            else
                System.out.print(numberOfOneDollars + " dollars");
        }
    
        if(numberOfQuarters > 0)
        {
            if(numberOfQuarters == 1)
                System.out.print(" and " + numberOfQuarters + " quarter");
            else
                System.out.print(" and " + numberOfQuarters + " quarters");
        }
    
        if(numberOfDimes > 0)
        {
            if(numberOfDimes == 1)
                System.out.print(" and " + numberOfDimes + " dime");
            else
                System.out.print(" and " + numberOfDimes + " dimes");
        }
    
        if(numberOfNickels > 0)
        {
            if(numberOfNickels == 1)
                System.out.print(" and " + numberOfNickels + " dime");
            else
                System.out.print(" and " + numberOfNickels + " dimes");
        }
    
        if(numberOfPennies > 0)
        {
            if(numberOfPennies == 1)
                System.out.print(" and " + numberOfPennies + " penny");
            else
                System.out.print(" and " + numberOfPennies + " pennies");
        }
    
        input.close();
    }
    
    }

    Enter an amount in double, for example 11.56: 11.56
    Your amount 11.56 consists of
    11 dollars and 2 quarters and 1 dime and 1 penny
    Process finished with exit code 0