Question: What does exam 2 method calculate? public static int exam 2 ( int [ ] arr, int index ) { if ( index = =

What does exam2 method calculate?
public static int exam2(int[] arr, int index){ if(index == arr.length ) return 0; return arr[index]+ exam2(arr, index+1); }
Hint:
call the exam2 as follows
int[] arr ={1,2,3,4,5}; System.out.println(exam2(arr,0))

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