Using sum method to get the sum of an array

Question

I am trying to get the sum of an array using sum method, but it shows up saying "incompatible types" for "return result" part at the very end. I tried to find out how I can fix it, but I'm kind of stuck.

public class Prog2
{
 public Prog2()
 {
 int a[] = {7, 8, 9, 9, 8, 7};
 System.out.println(sum(a));
 }
 public int[] sum(int s[])
 {
 int result = 0;
 for (int i = 0; i < s.length; i ++)
 {
 result += s [i];
 }
 return result; 
 }
}

• panini: look at the type of the result you are trying to return, and the type you said you would return (in the method declaration) - are they the same?

Answer 1

Change public int[] sum(int s[])

to public int sum(int s[])

Since your method should return a single int, not an array.