// CSE 142 Winter 2008, Marty Stepp
// This program demonstrates the "cumulative sum" technique
// with a method that computes the sum of a range of integers.
//
public class Sums {
	public static void main(String[] args) {
		System.out.println("The sum is " + sumTo(1000));
		System.out.println("Here's another sum! " + sumTo(100));
		System.out.println("The sum to 100000 plus the sum to 54 is " + (sumTo(100000) + sumTo(54)));
	}
	
	// This method computes the sum of all the integers
	// between 1 and the given max value.
	// It returns its result as an int.
	// I assume that the max passed is >= 1.
	public static int sumTo(int max) {
		// for each of the numbers from 1-1000,
		// add that number to a total sum...
		
		// "cumulative sum" variable
		int sum = 0;  // 0 -> 1 -> 3 -> 6 -> 10 -> 15
		
		for (int i = 1; i <= max; i++) {
			sum = sum + i;
		}

		return sum;
	}
}