// Derived class from Person,
// base class for Executive.

import java.util.StringTokenizer;
public class Student extends Person
{
    private int id;
    private String[ ] classes = new String[10];

    public Student(String fields)
    {
        // Call base class noarg constructor.
        super( );

        // Extract fields.
        StringTokenizer st = new StringTokenizer(fields, ";");
        name = st.nextToken( );
        gender = st.nextToken( ).charAt(0);
        age = Integer.parseInt(st.nextToken( ));

        // Extract classes.
        for(int i = 0; i <= 9 && st.hasMoreTokens( ); i++)
            classes[i] = st.nextToken( );
    }

    public String getClasses( )
    {
        String classList = "";
        for(int i = 0; i <= 9 && classes[i] != null; i++)
            classList += classes[i] + " ";
        return classList;
    }

    public String toString( )
    {
        return super.toString( ) + " " + getClasses( );
    }

    public static void main(String[ ] args)
    {
        Student p = new Student("Alice;F;23;ENG201;BIO101;CSC211;REL205");
        System.out.println("Classes for p are " + p.getClasses( ));
        System.out.println("Output of toString for p is ");
        System.out.println(p);
    }
}