Head First design patterns / Eric Freeman, Elisabeth Freeman, with Kathy Sierra and Burt Bates. 

 - Sebastopol, CA : O?Reilly, c2004. 
 - xxxvi, 638 p: ill; 24 cm. 
<br/><br/><label>ISBN: </label>0596007124 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer software--Development Java (Computer program language) 
<br/><br/><label>Dewey Class. No.: </label>005.1 HEA