public class StudentLL{
	private String course;
	private StudentLLNode head;
	private int size;
	private boolean debug;  // you can set debug in main

	// the client code provides the course name
	public StudentLL(String course){
        System.out.println("Constructor not implemented");
	}

	public String toString(){
		String res = "Course: " + course + "\n";
		for(StudentLLNode curr = head; curr !=null; curr=curr.getNext()){
			 StudentIF nS = curr.getStd();
			 res = res + nS + "\n";
		}
		return res;
	}
}