package eecs1022.finala;

/**
 * This question is worth 5 marks.  Partial marks will be awarded for this question.
 *
 * @author Franck van Breugel
 */
public class Question2
{
    /**
     * Returns the value of 1 + 2 + ... + n.  You have to use a loop to solve this question.
     * You may assume that n is greater than 0.
     *
     * @param n a positive integer.
     * @return the value of 1 + 2 + ... + n
     */
    public static int sum(int n)
    {
	int sum = 0;
	for (int i = 1; i <= n; i++)
	{
	    sum = sum + i;
	}
        return sum;
    }

    /**
     * Tests method.  You may add more test cases.
     *
     * @param args not applicable.
     */
    public static void main(String[] args)
    {
        System.out.println(Question2.sum(1));
        System.out.println(Question2.sum(2));
        System.out.println(Question2.sum(3));
        System.out.println(Question2.sum(4));
        System.out.println(Question2.sum(5));
    }
}