//: c12:ImmutableInteger.java
// From Thinking in Java, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
// The Integer class cannot be changed
import java.util.*;

public class ImmutableInteger {
  public static void main(String[] args) {
    ArrayList v = new ArrayList();
    for(int i = 0; i < 10; i++) 
      v.add(new Integer(i));
    // But how do you change the int
    // inside the Integer?
  }
} ///:~