Java Transformed
Java Transformed
New Features and Paradigms for the Modern Developers
About the Book
This book offers a comprehensive exploration of modern Java, shedding light on how the language has evolved far beyond its early stereotypes of verbosity and inflexibility. Java has undergone significant transformations, embracing new features and paradigms that make it more concise, flexible, and expressive—traits essential for today's fast-paced development environment.
Starting with the introduction of functional programming through lambda expressions and streams, the book delves into the enhancements that have revitalized Java. You'll discover how new constructs like records simplify data handling, how pattern matching enhances code readability, and how virtual threads revolutionize concurrency management.
The book will also cover the advancements in memory management, with more efficient garbage collection algorithms, and introduce streamlined APIs like the new Date-Time API and the HttpClient. Additionally, you'll explore features such as the Foreign Function & Memory API, modules, and sequence collections that have modernized Java, making it a powerful language for a wide range of applications.
This early release provides you with unedited, raw content directly from the author's desk. Roughly 40-50% of the book is complete, but more content will be added as the writing progresses. By diving into this book now, you gain early access to valuable insights and the latest technologies in Java, allowing you to harness these tools long before the official release. Whether you’re building scalable applications, working with complex data structures, or striving for more readable and maintainable code, this book will guide you through the transformative features that make modern Java a relevant and essential language for developers today.
About the Author
About the Contributors
Table of Contents
- Dispelling the Java Stereotypes
- Getting Started with Java
- OpenJDK: The Foundation of Java
- OpenJDK vs. Other Distributions: What's the Difference?
- Is Java Free?
- Java Community Process (JCP)
- Six-Month Release Cycle
- Installing a Specific Java Version
- The Flexible Main Method
- Java Sealed Classes: Controlling Your Inheritance
- What Is a Sealed Class?
- How Sealed Classes Work
- Sealed Class Rules
- Benefits of Sealed Classes
- Java Records: Cleaner, Immutable Data with Less Boilerplate
- Record Construction
- Alternative Constructors
- Use Cases of Records
- Rules for Record Classes
- Marshaling And Unmarshaling
- Bean Validation
- When Records Might Not Be the Best Fit
- Pattern Matching in Java: Enhancing Code Conciseness and Readability
- What Is Pattern Matching?
- Pattern Matching in Action
- Pattern Matching with Switch
- Exhaustiveness in Java Pattern Matching: Ensuring All Cases Are Covered
- Record Patterns: An Enhanced Way of Deconstructing Data
- Pattern Matching with Type Inference
- Unnamed Variables and Patterns
- Data Oriented Programming
- Lambda Expression
- Lambda Expressions
- Programming Paradigms
- Method vs. Function
- Imperative vs. Declarative vs. Functional Programming Language
- Definition and Syntax
- Scope of Lambda Expressions
- Type Inference
- java.util.function Package
- Method Reference
- Default Methods
- Stream API
- What Is a Stream?
- Stream Pipeline
- Differences Between Stream and Collection
- Parallelism
- Collectors
- Gatherers API
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