hamstermaze.java

Java编程思想 第九课 全源码

//: c09:HamsterMaze.java
// From 'Thinking in Java, 2nd ed.' by Bruce Eckel
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
// Using an Iterator.
import java.util.*;

class Hamster {
  private int hamsterNumber;
  Hamster(int i) { hamsterNumber = i; }
  public String toString() {
    return "This is Hamster #" + hamsterNumber;
  }
}

class Printer {
  static void printAll(Iterator e) {
    while(e.hasNext())
      System.out.println(e.next());
  }
}

public class HamsterMaze {
  public static void main(String[] args) {
    ArrayList v = new ArrayList();
    for(int i = 0; i < 3; i++)
      v.add(new Hamster(i));
    Printer.printAll(v.iterator());
    System.out.println(v);
  }
} ///:~