Write methods in Java to find the following:

You are given an array that contains string elements.

1. Get the number of repeated elements in the array and print them.

2. Get the string element in at a specified index.

3. Get a copy of the array for the element at the specified index

4. Get the first index associated with a specified element

5. Sort the array elements naturally with comparable.

6. Create and fill an array with data.

Do not use ArrayList, use a 2D or 1D array. Thank you!