Demonstrating inheritance, scope, and ArrayList usage for CS115

Student.java

//********************************************************************
//  Student.java
//
//  Represents a college student.
//********************************************************************
import java.util.ArrayList;

public class Student {

	private String firstName, lastName;
	private Address homeAddress, schoolAddress;
	private ArrayList<Double> testScores;

	//-----------------------------------------------------------------
	//  Constructor: Sets up this student with the specified values.
	//-----------------------------------------------------------------
	public Student(String first, String last, Address home, Address school) {
		firstName = first;
		lastName = last;
		homeAddress = home;
		schoolAddress = school;
    	testScores = new ArrayList<Double>(3);
		testScores.add(0d);
    	testScores.add(0d);
    	testScores.add(0d);
	}

  public Student(String first, String last, Address home, Address school, double testScore1, double testScore2, double testScore3) {
    this(first, last, home, school);
    setTestScore(1, testScore1);
    setTestScore(2, testScore2);
    setTestScore(3, testScore3);
  }

  public double getTestScore(int testNumber) {
  	try {
      return testScores.get(testNumber - 1);
    }
    catch (Exception e) {
      e.printStackTrace();
    }
    return 0;
  }

  public void setTestScore(int testNumber, double score) {
    try {
      testScores.set(testNumber - 1, score);
    }
    catch (Exception e) {
      e.printStackTrace();
    }
  }

  public double average() {
    double sum = 0;
    for (Double score: testScores) {
      sum += score;
    }
    return sum / testScores.size();
  }

	//-----------------------------------------------------------------
	//  Returns a string description of this Student object.
	//-----------------------------------------------------------------
	public String toString() {
		String result;
		result = firstName + " " + lastName + "\n";
		result += "Home Address:\n" + homeAddress + "\n";
		result += "School Address:\n" + schoolAddress + "\n";
    	result += "Test Scores:\n" + testScores;
		return result;
	}
}

StudentBody.java

//********************************************************************
//  StudentBody.java 
//
//  Demonstrates the use of an aggregate class.
//********************************************************************

public class StudentBody {
   //-----------------------------------------------------------------
   //  Creates some Address and Student objects and prints them.
   //-----------------------------------------------------------------
   public static void main(String[] args)
   {
      Address school = new Address("800 Lancaster Ave.", "Villanova",
                                    "PA", 19085);
      Address jHome = new Address("21 Jump Street", "Lynchburg",
                                   "VA", 24551);
      Student john = new Student("John", "Smith", jHome, school);

      Address mHome = new Address("123 Main Street", "Euclid", "OH",
                                   44132);
      Student marsha = new Student("Marsha", "Jones", mHome, school, 12, 80, 100);

      System.out.println(john);
      System.out.println();
      System.out.println(marsha);
      System.out.println("Marsha's Average: " + marsha.average());
   }
}