John Hunt 
Java and Object Orientation: An Introduction [PDF ebook] 

Java and Object Orientation: An Introduction (2nd edition) shows readers how to build object oriented applications in Java. Written in a clear and concise style, with lots of examples, this revised edition provides:- A detailed understanding of object orientation- A thorough introduction to Java including building blocks, constructs, classes, data structures etc.- Coverage of graphical user interfaces and applets (AWT, Servlets)- Object oriented analysis and design including UML. If you are looking for a good introduction to Java and object orientation, then this is the book for you. Source code for the examples in this book is available at: http://www.java-and-oo.net