Demonstrate the Set interface : Set « Collections Data Structure « Java

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Java » Collections Data Structure » SetScreenshots 
Demonstrate the Set interface
         

/*
 * Copyright (c) Ian F. Darwin, http://www.darwinsys.com/, 1996-2002.
 * All rights reserved. Software written by Ian F. Darwin and others.
 * $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
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 *    notice, this list of conditions and the following disclaimer.
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 * pioneering role in inventing and promulgating (and standardizing) the Java 
 * language and environment is gratefully acknowledged.
 
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 * inventing predecessor languages C and C++ is also gratefully acknowledged.
 */

import java.util.*;
/**
 * Demonstrate the Set interface
 @author Ian F. Darwin, http://www.darwinsys.com/
 @version $Id: SetDemo.java,v 1.4 2004/02/09 03:34:04 ian Exp $
 */
public class SetDemo {
  public static void main(String[] argv) {
    //+
    Set h = new HashSet();
    h.add("One");
    h.add("Two");
    h.add("One")// DUPLICATE
    h.add("Three");
    Iterator it = h.iterator();
    while (it.hasNext()) {
      System.out.println(it.next());
    }
    //-
  }
}



           
         
    
    
    
    
    
    
    
    
  
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