public class Student extends Person {

	private double gpa;

	public Student(String name, int age, double gpa) {
		// the call to super MUST be on the first line
		super(name, age);
		this.gpa = gpa;
	}

	// Override speak from Student
	public void speak() {
		super.speak(); // the student speaks like a person
		System.out.println("gpa = " + gpa);
	}

}