IN JAVA

Write an array method to carry out the following tasks for an array of integers.

Swap the first and the last elements in the array

Remove the middle element if the array length is odd, or the middle two elements if the length is even.

Return true if the array contains two adjacent duplicate elements

Return the second largest element in the array

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.