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Learn Java with Projects

Learn Java with Projects

By : Dr. Seán Kennedy, Maaike van Putten
4.9 (48)
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Learn Java with Projects

Learn Java with Projects

4.9 (48)
By: Dr. Seán Kennedy, Maaike van Putten

Overview of this book

Learn Java with Projects bridges the gap between introductory Java guides and verbose, theoretical references. This book is crafted to build a strong foundation in Java programming, starting from the Java environment itself. It goes far beyond a superficial review of the topics; it demonstrates, with practical examples, why these fundamentals are crucial for developing a deep understanding of the language. You'll not only learn about classes and objects but also see how these concepts are used in practical scenarios, enhancing your ability to write clean, efficient code. The engaging projects throughout the book provide real-world applications of complex topics, ensuring you can connect theoretical knowledge with practical skills. What makes this book stand out is the expertise of its authors. Seán, a seasoned university lecturer with over 20 years of experience, brings academic rigor and real-world insights, thanks to his work with a prestigious software company. Maaike, a passionate software developer and award-winning trainer, brings hands-on experience and a love for teaching. By the end of this book, you'll not only understand Java's core concepts and the critical advanced ones, but also gain practical experience through projects that mimic real-life challenges.
Table of Contents (22 chapters)
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1
Part 1: Java Fundamentals
9
Part 2: Object-Oriented Programming
15
Part 3: Advanced Topics

Classes, Objects, and Enums

In Chapter 7, we learned about methods in Java. After understanding why methods are useful, we learned that there are two parts to methods – the method definition and the method call. We saw that the method definition is the code that’s executed when the method is invoked via the method call. We discussed how method signatures enable method overloading. We also learned how varargs helps us call a method with zero or more arguments. Finally, we discussed Java’s call by value mechanism, where arguments that are passed to a method are copied in memory. Depending on the type of argument passed, primitive or reference, will have implications as to the effect of the changes made in the called method to those arguments passed from the caller method.

Chapter 7 concluded the Java fundamentals section of this book. The topics in that section are common across many programming languages, including non-object-oriented programming (OOP) languages...

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