Bolded spot is where the help is needed!

import java.util.*; import java.io.*; /****************************************************** * A list of students in a course *****************************************************/ public class Course{

/** collection of Students */ private ArrayList roster;

/***************************************************** Constructor for objects of class Course *****************************************************/ public Course(){ roster = new ArrayList(); }

/***************************************************** @return the number of students in the course. This will be ONE line of code. *****************************************************/ public int courseSize(){ /** Your code goes here */ } /***************************************************** Add a student to the course *****************************************************/ public void addStudent(Student s){ roster.add(s); } }