1  public class Course {
  2    private String courseName;
  3    private String[] students = new String[100];
  4    private int numberOfStudents;
  5      
  6    public Course(String courseName) {
  7      this.courseName = courseName;
  8    }
  9    
 10    public void addStudent(String student) {
 11      students[numberOfStudents] = student;
 12      numberOfStudents++;
 13    }
 14    
 15    public String[] getStudents() {
 16      return students;
 17    }
 18  
 19    public int getNumberOfStudents() {
 20      return numberOfStudents;
 21    }  
 22  
 23    public String getCourseName() {
 24      return courseName;
 25    }  
 26    
 27    public void dropStudent(String student) {
 28      // Left as an exercise in Exercise 10.9
 29    }
 30  }