fin

src/AssessmentPartOne.java

@@ -44,17 +44,18 @@ public class AssessmentPartOne {
 		
 		int sumOfSquares = 0;
 		if (start+1<end && start>=0)
+			// start+1<end to avoid no number between start and end
+			//start must be positive or = 0 to go into the loop 
 		{
-			for(int i=start+1;i<end;i++)  // loop i=start+1 because start is not included and i<end because we add the last number before end
+			for(int i=start+1;i<end;i++)  // loop i=start+1 because start is not included and i<end because we add until the last number before end
 				{
-					sumOfSquares=sumOfSquares+i;
+					sumOfSquares=sumOfSquares+i; // sumOfSquares= add each i at itself 
 				}
 		}else 
 		{
-			sumOfSquares=-1;
+			sumOfSquares=-1; 
 		}
 		
-		
 		return sumOfSquares;
 	}