// A student is Person with a gpa


public class Student extends Person
{
  private double gpa;

  // Constructors
  public Student()
  {
  }

   public Student(String s,int a,double g)
  {
    //Call the constructor Person (s,a)
  }

   // Access to the variable gpa
   public void setGPA(double g)
   {
   }
   public double getGPA()
   {
   }

   // Let the student speak: override speak from Person
   public void speak()
   {
   }
}