Freeman, Eric, <br/><br/>
Head first design patterns 
Eric Freeman, Elisabeth Freeman, Kathy Sierra, Bert Bates. 
 - Sebastopol, Calif. ;  Cambridge :  O'Reilly,  c2004. 
 - xxxvi, 638 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0596007124 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer software--Development.<br/>Java (Computer program language)