As a beginner, you must be wondering, "Why do I study Java when there are so many other languages?" So the answer is straightforward: you can create almost any type of application you can think of using Java programming. In Java, the term "WORA" has a lot of meaning. It stands for "Write Once, Run Anywhere." This handbook will assist you in learning Java by providing short theories and various practicals. The book provides sufficient knowledge of core Java topics ranging from classes and objects to AWT programming. Definitions are provided in simple language, with examples to back them up. After you've mastered the subject, run the provided example on your computer and examine the results. Those who are new to Java and object-oriented programming will benefit greatly from this book.