// CSE 142, Summer 2008 (Marty Stepp)
// This program computes the sum between two ranges of integers
// and the difference between them.
//
// It demonstrates writing methods that return values
// along with computing a cumulative sum.
//
public class SumRanges {
	public static void main(String[] args) {
		int sum1 = sum(1, 7);
		System.out.println("The sum from 1 to 7 is " + sum1);

		int sum2 = sum(-3, 8);
		System.out.println("The sum from -3 to 8 is " + sum2);

		System.out.println("Difference is " + Math.abs(sum1 - sum2));
	}
	
	// Computes and returns the sum of the integers between the given
	// minimum and maximum inclusive.
	public static int sum(int min, int max) {
		int total = 0;
		for (int i = min; i <= max; i++) {
			total = total + i;   // total += i;
		}
		return total;
	}
}