This book is a comprehensive guide to Object-Oriented Programming (OOP) using Java, authored by Er. Anu Roy and published by Ishan's. It is designed to be an invaluable resource for students and professionals alike who wish to master the fundamentals and advanced concepts of Java programming. The book's clear, structured approach makes complex topics accessible, ensuring that readers can build a strong foundation in one of the world's most popular programming languages.

The text begins by introducing the core principles of OOP, such as encapsulation, inheritance, polymorphism, and abstraction, providing a solid theoretical base before diving into practical application. Each concept is explained with simple, easy-to-understand examples that illustrate how these principles are applied in real-world software development. This book is not just a theoretical manual; it's a hands-on learning tool that encourages readers to write code and solve problems from the very beginning.

A key strength of this book is its detailed coverage of the Java language. It systematically explores topics ranging from basic syntax and data types to more advanced features like exception handling, multithreading, and GUI programming using AWT controls. The author, Er. Anu Roy, has a talent for breaking down intricate subjects into manageable