//: com:bruceeckel:util:AlphabeticComparator.java
// From 'Thinking in Java, 2nd ed.' by Bruce Eckel
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
// Keeping upper and lowercase letters together.
package com.bruceeckel.util;
import java.util.*;

public class AlphabeticComparator 
implements Comparator{
  public int compare(Object o1, Object o2) {
    String s1 = (String)o1;
    String s2 = (String)o2;
    return s1.toLowerCase().compareTo(
      s2.toLowerCase());
  }
} ///:~