//: c08:GopherList.java
// From Thinking in Java, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
// A type-conscious ArrayList
import java.util.*;

class Gopher {
  private int gopherNumber;
  Gopher(int i) {
    gopherNumber = i;
  }
  void print(String msg) {
    if(msg != null) System.out.println(msg);
    System.out.println(
      "Gopher number " + gopherNumber);
  }
}

class GopherTrap {
  static void caughtYa(Gopher g) {
    g.print("Caught one!");
  }
}

class GopherList {
  private ArrayList v = new ArrayList();
  public void add(Gopher m) {
    v.add(m);
  }
  public Gopher get(int index) {
    return (Gopher)v.get(index);
  }
  public int size() { return v.size(); }
  public static void main(String[] args) {
    GopherList gophers = new GopherList();
    for(int i = 0; i < 3; i++)
      gophers.add(new Gopher(i));
    for(int i = 0; i < gophers.size(); i++)
      GopherTrap.caughtYa(gophers.get(i));
  }
} ///:~