JAVA Programing Question:

Complete the listCount method (shown below). The method returns a TreeMap that contains as keys the elements that appeared in the given list. Each key is mapped to an Integer that specifies how many times the element appeared in the list. For example, the following code:

should result in {A=2, B=4, C=1, D=1} being displayed.

You may assume that the elements in the list implement the Comparable interface and can be compared to each other. So using them as keys in a TreeMap is fine.

List