import java.util.Scanner;

public class PromptInRange
{
    public static int promptIntInRange(int min, int max, String minError, String maxError)
    {
        Scanner user_input = new Scanner(System.in);
        int number;

        do
        {
            if (min == Integer.MIN_VALUE && max == Integer.MAX_VALUE)
            {
                System.out.print("Please enter an integer: ");
            }
            else if (min == Integer.MIN_VALUE)
            {
                System.out.print("Please enter an integer (less than " + max + "): ");
            }
            else if (max == Integer.MAX_VALUE)
            {
                System.out.print("Please enter an integer (greater than " + min + "): ");
            }
            else
            {
                System.out.print("Please enter an integer (between " + min + " and " + max + "): ");
            }
            number = user_input.nextInt();

            if (number < min )
            {
                System.out.print(minError + " ");
            }
            else if (number > max)
            {
                System.out.print(maxError + " ");
            }
        } while (number < min || number > max);

        return number;
    }

    public static int promptIntInRange(int min, int max, String error)
    {
        return promptIntInRange(min, max, error + " ", error + " ");
    }

    public static int promptIntInRange(int min, int max)
    {
        return promptIntInRange(min, max, "That's out of range.");
    }

    public static int promptWholeNumber()
    {
        return promptIntInRange(0, Integer.MAX_VALUE, "That's a negative number.");
    }
}