Assistance.java

public class Assistance {

	private static Scanner scanner = new Scanner(System.in);

	public static void main(String[] args) {
		
		String choice = null;
		while(choice == null || !choice.equalsIgnoreCase("no")){
			calculateBill();
			System.out.println("Do you need to calculate more?");
			choice = scanner.nextLine(); 
		}
	}

	private static void calculateBill() {
		System.out.println("How many hours:");
		int hours = scanner.nextInt();
		System.out.println("Whats your income:");
		int income = scanner.nextInt();
		
		doCalculation(hours, income);		
	}

	private static void doCalculation(int hours, int income) {
		//I didn't really read the instructions here but I think this gets the point across
		
		//do some calculation
		int amountOwed = hours * income; //just making this up
		System.out.printf("Pay me now: %s%n", amountOwed);
		scanner.nextLine();
	}
}