In java language,

Write array methods that carry out the following tasks for an array of integers. For each method, provide a test program.

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

f. Move all even elements to the front, otherwise preserving the order of the elements.

g. Return the second-largest element in the array.

h. Return true if the array is currently sorted in increasing order.

i. Return true if the array contains two adjacent duplicate elements.

j. Return true if the array contains duplicate elements (which need not be adjacent).