BJP5 Exercise 8.7: addTimeSpan Language/Type: Java classes instance methods Related Links: Time Span.java Author: Marty Stepp (on 2019/09/19) Add the following method to the TimeSpan class: public void add(TimeSpan span) Adds the given amount of time to this time span. Recall the TimeSpan code from this chapter: public class TimeSpan { private int hours; private int minutes; public void add(int hours, int minutes) { ... } public int getHours() { } public int getMinutes() { } public String toString() { ... } // // your code goes here }