In the class name IntArrayBag, explain the significance of each part of the name: int, array, and bag. 11. (a) (b) I n the class name IntArraySeq, explain the significance of cach part of the name: int, array, and seq. (c) In the class name DoubleLinkedBag, explain the significance of each part of the name: double, linked, and bag. 12. Let A be an array of size n 2 2 containing integers from 1 to n-1, inclusive, with exactly one number repeated. (a) Write a method public static int findRepeatedNumber (int A) that returns the value of the repeated number in the array A. (b) Rewrite the method so that it uses just a single loop. (Hint: Make use of another array