Barnes, David J. <br/><br/>
Objects first with Java :  a practical introduction using BlueJ / 
David J. Barnes and Michael K�olling. 
 - 2nd ed. 
 - Harlow :  Prentice Hall,  c2009. 
 - xxxii, 516 p. :  ill. (chiefly col.) ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0131249339 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Object-oriented programming (Computer science).<br/>Java (Computer program language).<br/>Computer science--Study and teaching.