Write array methods that implement the following operations for an array of integers: a) Swap the first and the last elements in the array b) Remove the middle element if the array length is odd or the middle two elements if the length is even c) Return true if the array contains two adjacent duplicate elements d) Return the second largest element in the array e) Return the sum of the elements in the array Write a single test program in methods are called. Display the array before and after each call to demonstrate the correct operation of the methods. Copy and paste your screenshot of the output results here