/** a lazy student is the laziest of all */
// create subclass of Student with "extends"
public class LazyStudent extends Student {
  
  private String studyHabit;
  
  public LazyStudent (String n, int i, String s) { 
    // invoke Student constructor using "super"
    super(n, i);
    this.studyHabit = s;
  }
  public String toString() {
    return "I am the laziest! " + super.toString() + ", " + studyHabit;
  }
}