Assume that you have been given an Employee class that includes a toString() method. a. Write a Java code segment that will declare a Bag of Employee. b. Write a for-each loop to print out all of the elements of that Bag. (Assume that the Bag has been filled with Employee values by some other part of the program.) c. Now, rewrite the loop with a standard for-loop that explicitly uses the Iterator methods to traverse the Bag.