The Integer class cannot be changed : int « Data Type « Java

The Integer class cannot be changed

// :
// The Integer class cannot be changed.
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// See copyright notice in CopyRight.txt.

import java.util.ArrayList;
import java.util.List;

public class ImmutableInteger {
  public static void main(String[] args) {
    List 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?
} ///:~


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