Barnes, David J. <br/><br/>
Objects first with JAVA  a practical introduction using blueJ 
david J. Barnes, Michael Kooling 
 - Harlow, England  Pearson/Prentice Hall  2006 
 - xxxi, 480p.  ill.  25cm.  +cd rom 
<br/><br/> includes index :p.467 - 480 
<br/><br/><label>ISBN: </label>013197629x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science--Study and teaching<br/>Java (Computer program language)<br/>Object-oriented programming (Computer science)