Barnes, David J. <br/><br/>
Objects first with Java :  a practical introduction using BlueJ / 
David J. Barnes and Michael Kölling 
 - 6th ed. :  global ed. 
 - Harlow, Essex :  Pearson,  [2017] 
 - xxvii, 630 p. :  col. ill. ;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9781292159041 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Object-oriented programming (Computer science)<br/>Java (Computer program language)<br/>Computer scienceœxStudy and teaching