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This book explores the valuable standard libraries, showing you how to use them to write succinct code. Filled with short and easy-to -follow solutions, you'll see how to get optimal performance from your Kotlin code.

This book teaches you how to build and contribute to Scala programs, recognizing common patterns and techniques used with the language. You'll learn how to write concise, functional code with Scala. After an introduction to core concepts, syntax, and writing example applications with scalac, you'll learn about the Scala Collections API and how.

Ruby is a powerful programming language with a focus on simplicity, but beneath its elegant syntax, the language is performing countless unseen tasks. This book gives developers an inside, hands-on look at Ruby's core, using simple diagrams coupled with clear explanations.

If you've used a more traditional object-oriented language, such as C++ or Java, JavaScript probably doesn't seem object-oriented at all. It has no concept of classes, and you don't even need to define any objects in order to write code. But don't be fooled—JavaScript is an incredibly powerful and expressive object-oriented language that puts many design decisions right into your hands. In The Principles of Object-Oriented JavaScript, Nicholas C. Zakas thoroughly explores JavaScript's object-oriented nature, revealing the language's unique implementation of inheritance and other key characteristics. You'll learn: -The difference between primitive and reference values -What makes JavaScript functions so unique -The various ways to create objects -How to define your own constructors -How to work with and understand prototypes -Inheritance patterns for types and objects The Principles of Object-Oriented JavaScript will leave even experienced developers with a deeper understanding of JavaScript. Unlock the secrets behind how objects work in JavaScript so you can write clearer, more flexible, and more efficient code.

Essential concepts of programming language design and implementation are explained and illustrated in the context of the object-oriented programming language (OOPL) paradigm. Written with the upper-level undergraduate student in mind, the text begins with an introductory chapter that summarizes the essential features of an OOPL, then widens the discussion to categorize the other major paradigms, introduce the important issues, and define the essential terms. After a brief second chapter on event-driven programming (EDP), subsequent chapters are built around case studies in each of the languages Smalltalk, C++, Java, C#, and Python. Included in each case study is a discussion of the accompanying libraries, including the essential container classes. For each language, one important event-driven library is singled out and studied. Sufficient information is given so that students can complete an event-driven project in any of the given languages. After completing the course the student should have a solid set of skills in each language the instructor chooses to cover, a comprehensive overview of how these languages relate to each other, and an appreciation of the major issues in OOPL design.Key Features:*Provides essential coverage of Smalltalk origins, syntax, and semantics, a valuable asset for students wanting to understand the hybrid Objective C language *Provides detailed case studies of Smalltalk, Java, C++, C#, and Python and features a side-by-side development of the Java and C++ languages--highlighting their similarities and differences*Sets the discussion in a historical framework, tracing the roots of the OOPLs back to Simula 67.*Provides broad-based coverage of all languages, imparting essential skills as well as an appreciation for each language's design philosophy*Includes chapter summary, review questions, chapter exercises, an appendix with event-driven projects, and instructor resources

Here is a book that takes the sting out of learning object-oriented design patterns! Using vignettes from the fictional world of Harry Potter, author Avinash C. Kak provides a refreshing alternative to the typically abstract and dry object-oriented design literature. Designing with Objects is unique. It explains design patterns using the short-story medium instead of sterile examples. It is the third volume in a trilogy by Avinash C. Kak, following Programming with Objects (Wiley, 2003) and Scripting with Objects (Wiley, 2008). Designing with Objects confronts how difficult it is for students to learn complex patterns based on conventional scenarios that they may not be able to relate to. In contrast, it shows that stories from the fictional world of Harry Potter provide highly relatable and engaging models. After explaining core notions in a pattern and its typical use in real-world applications, each chapter shows how a pattern can be mapped to a Harry Potter story. The next step is an explanation of the pattern through its Java implementation. The following patterns appear in three sections: Abstract Factory, Builder, Factory Method, Prototype, and Singleton; Adapter, Bridge, Composite, Decorator, Facade, Flyweight, and Proxy; and the Chain of Responsibility, Command, Interpreter, Iterator, Mediator, Memento, Observer, State, Strategy, Template Method, and Visitor. For readers’ use, Java code for each pattern is included in the book’s companion website. ● All code examples in the book are available for download on a companion website with resources for readers and instructors. ● A refreshing alternative to the abstract and dry explanations of the object-oriented design patterns in much of the existing literature on the subject. ● In 24 chapters, Designing with Objects explains well-known design patterns by relating them to stories from the fictional Harry Potter series

Learn to write practical, reusable code with the straightforward tutorials and tips in the newest edition of this For Dummies bestseller  Do you speak Java? No, we're not talking about your morning cup 'o joe. We mean the world's most popular programming language that runs on almost any computer!  If you're looking to get started-or up your game-with Java, then Java For Dummies is the guide you need. In this book, you'll:  Take control of your program flow  Program with classes, objects, and methods Use Java's functional programming features Explore Java 17, the latest long-term support release  This up-to-date handbook covers the latest developments in Java, including the new 'switch' statement syntax. So, if you're ready to dive into one of the most practical (and coolest!) programming languages around, it's time you picked up Java For Dummies.   

Object-Oriented scripting with Perl and Python Scripting languages are becoming increasingly important for software development. These higher-level languages, with their built-in easy-to-use data structures are convenient for programmers to use as \"glue\" languages for assembling multi-language applications and for quick prototyping of software architectures. Scripting languages are also used extensively in Web-based applications. Based on the same overall philosophy that made Programming with Objects such a wide success, Scripting with Objects takes a novel dual-language approach to learning advanced scripting with Perl and Python, the dominant languages of the genre. This method of comparing basic syntax and writing application-level scripts is designed to give readers a more comprehensive and expansive perspective on the subject. Beginning with an overview of the importance of scripting languages—and how they differ from mainstream systems programming languages—the book explores: -Regular expressions for string processing -The notion of a class in Perl and Python -Inheritance and polymorphism in Perl and Python -Handling exceptions -Abstract classes and methods in Perl and Python -Weak references for memory management -Scripting for graphical user interfaces -Multithreaded scripting -Scripting for network programming -Interacting with databases -Processing XML with Perl and Python This book serves as an excellent textbook for a one-semester undergraduate course on advanced scripting in which the students have some prior experience using Perl and Python, or for a two-semester course for students who will be experiencing scripting for the first time. Scripting with Objects is also an ideal resource for industry professionals who are making the transition from Perl to Python, or vice versa.