public static void main(String[] args) { int[] array = {1,2,3,4,5}; int mySum = sum(array); System.out.println("Sum of number in the array are = " + mySum); } public static int sum(int[]array) { int sum = 0; for(int i=0; i<array.length; i++) { sum = sum + array[i]; } return sum; } //output: Sum of number in the array are = 15