Question

onsider the following method that is intended to return the sum of the elements in the array key.

public static int sumArray(int[] key) 
{ 
 int sum = 0; 
 for (int i = 1; i <= key.length; i++) 
 { 
      /* missing code */ 
 } 
 return sum; 
}

Which of the following statements should be used to replace /* missing code */ so that sumArray() will work as intended?

a. sum += key[i];

b. sum = key[i];

c. sum += sum + key[i - 1];

d. sum += sum + key[i];

e. sum += key[i - 1];

Answer 1

e. sum += key[i - 1];