1.
Write a class that calculates and displays the conversion of an entered number of dollars into
currency denominations-20s, 10s, 5s, and 1s. Save the class as Dollars.java.
Solution
import java.util.Scanner;
public class Dollars
{
public static void main(String [] args)
{
Scanner keyboard=new Scanner(System.in);
Systen.out.println(" Enter the amount in dollars:");
int DollarAmount = keyboard.nextInt();
int numTwenties = totalAmount/20;
int numTens = (totalAmount - 20*numTwenties)/10;
int numFives = (totalAmount - (10*numTens + 20*numTwenties))/5;
int numOnes = (totalAmount - (10*numTens + 20*numTwenties + 5*numFives))/1;
System.out.println("You have entered $ " + totalAmount );
System.out.println(" The result is " + numTwenties + " twenties, " + numTens + " tens, " +
numFives + " fives, "Â Â Â Â numOnes + " ones.");
}

2.
}