Question: 12
Given the following definition for the class Athlete:

public class Athlete
{
  String first_name;
  String last_name;
  int jersey;

  public Athlete(String first_name, String last_name)
  {
      this.first_name = first_name;
      this.last_name = last_name;
      this.jersey = 0;
  }

  public Athlete(String first_name, String last_name, int jersey)
  {
      this.first_name = first_name;
      this.last_name = last_name;
      this.jersey = jersey;
  }
}
Which of the following are valid instantiations of the class Athlete?
I – Athlete joe = new Athlete("Joe", "Montana");
II – Athlete joe = new Athlete("Joe, "Montana", "16");
III – Athlete joe = new Athlete("Joe", "Montana", 16);