// Array of objects example: create a membership list and
// search for a member, given his ID number.

class Member {

   private String name;
   private int membership_number;

   public Member (String member_name, int id_number) {
     name = member_name;
     membership_number = id_number;
   }

   public int get_membership_number () {
     return membership_number;
   }

   public void print () {
     System.out.println (name + "\t" + membership_number);
   }
}

class Membership {

   private Member[] member_list;
   private int num_members;

   public Membership () {
     num_members = 4;
     member_list = new Member[num_members];
     member_list[0] = new Member ("Anna", 11111);
     member_list[1] = new Member ("Bob", 22222);
     member_list[2] = new Member ("Carl", 33333);
     member_list[3] = new Member ("Dan", 44444);
   }

   public Member find_member (int target) {
     int index = 0;
     while (index < num_members) {
       if (member_list[index].get_membership_number() == target)
         return member_list[index];
       index++;
     }
     return null;
   }

   public void print ()  {
     System.out.println();
     System.out.println ("Member\tID#");
     for (int person=0; person < num_members; person++)
       member_list[person].print();
   }
}

class Array4 {

   public static void main (String[] args) {
     Membership roster = new Membership ();
     Member person;

     System.out.println ();
     person = roster.find_member (22222);
     if (person == null)
       System.out.println ("No match found.");
     else {
       System.out.println ("The search found the following member: ");
       person.print();
     }
     roster.print();
   }
}