Freeman, Eric. <br/><br/>
Head first design patterns / 
by Eric Freeman, Elisabeth Freeman with Kathy Sierra, Bert Bates. 
 - Sebastopol :  O'Reilly,  2004. 
 - xxxvi, 638 p. :  ill. ;  24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0596007124 (pbk.) 9780596007126 (pbk.)  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer software--Development.<br/>Java (Computer program language).