i'm stuck and i need a little direction. i'm only getting 2 error messages. i have 2 files:

Code:
import java.util.ArrayList;
import java.util.*;
//author 

public class StudentTester
 {

  public static void main(String[] args)
   {
    ArrayList<Student> studentList = new ArrayList<Student>();

    Student a = new Student("john", "doe",
...