The Java programming language is currently well known to the world community of software developers and Internet content providers because of its ability to create simple, portable and secured environment for the world Wide Web. The accessibility of Java to secure platform independent applications and its ability ton remote hosts in a secure manner has been one of the primary reasons why it has flourished so much. The code development needs to be only done once and there is no need to hook up the applications to every software and hardware platforms since it is dependent of the platform. This lm consist of nine modules covering the following major aspects: this edition is an attempt to impart in a nutshell all the important elements of this classic web based programming language. Easy br>Module is suitably divided into units of major subtopics. Basically this book is written in a self-learning style keeping the needs of the student in mine. Introduction to Java, language basics objects and classes in Java, arrays, strings and vectors, packages and interfaces, exception handling, multithreaded programming, applet programming, working with graphics.