import java.util.*;
//import myclass.*;

public class PersonTest {

    private static Vector mEveryone = new Vector(1);

    public static void main(String[] args) {

	Student s1 = new Student("Joe Freshman", 123, 2004);
	Student s2 = new Student("Suzy Sophomore", 456, 2003);
	Student s3 = new Student("Johnny Junior", 789, 2002);
	Student s4 = new Student("Sally Senior", 112, 2001);

	Professor p1 = new Professor("Dave", 234, "CSCI");
	Professor p2 = new Professor("Mr. Old Foagy", 567, "PHIL");
	Professor p3 = new Professor("Mr. I have more brains than god.",
				     890, "MATH");

	mEveryone.addElement(s1);
	mEveryone.addElement(s2);
	mEveryone.addElement(s3);
	mEveryone.addElement(s4);
	mEveryone.addElement(p1);
	mEveryone.addElement(p2);
	mEveryone.addElement(p3);

	// print the information about the students
	System.out.println();
	System.out.println("Everyone's IDs from Enumeration: ");

	for (Enumeration penum = mEveryone.elements() ; penum.hasMoreElements() ;) {
	    System.out.println(((RPIPerson)penum.nextElement()).getIDNumber());
     	}


	// sort the vector
	System.out.println();
	System.out.println("List sorted by ID");

	Object[] array;
	array = mEveryone.toArray();
	java.util.Arrays.sort(array);
	for (int i = 0; i < mEveryone.size(); i++) {
		System.out.println(array[i]);
	}
    }

}