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Mastering the Java Virtual Machine

You're reading from   Mastering the Java Virtual Machine An in-depth guide to JVM internals and performance optimization

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Product type Paperback
Published in Feb 2024
Publisher Packt
ISBN-13 9781835467961
Length 234 pages
Edition 1st Edition
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Author (1):
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Otavio Santana Otavio Santana
Author Profile Icon Otavio Santana
Otavio Santana
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Table of Contents (19) Chapters Close

Preface 1. Part 1: Understanding the JVM
2. Chapter 1: Introduction to the Java Virtual Machine FREE CHAPTER 3. Chapter 2: Class File Structure 4. Chapter 3: Understanding Bytecodes 5. Part 2: Memory Management and Execution
6. Chapter 4: Execution Engine 7. Chapter 5: Memory Management 8. Chapter 6: Garbage Collection and Memory Profiling 9. Part 3: Alternative JVMs
10. Chapter 7: GraalVM 11. Chapter 8: The JVM Ecosystem and Alternative JVMs 12. Part 4: Advanced Java Topics
13. Chapter 9: Java Framework Principles 14. Chapter 10: Reflection 15. Chapter 11: Java Annotation Processor 16. Chapter 12: Final Considerations 17. Index 18. Other Books You May Enjoy

Exploring Practical Java Annotation Processor

In this hands-on segment, we’ll dive into a practical exercise to reinforce the concepts we’ve explored regarding Java Annotation Processors. The goal is to revisit a previously examined example that utilized reflection, enabling us to compare solutions and showcase the distinctive features and advantages of employing Java Annotation Processors.

The task at hand involves converting a Map instance to an entity instance and vice versa, adhering to the specifications outlined in the provided interface:

public interface Mapper {    <T> T toEntity(Map<String, Object> map, Class<T> type);
    <T> Map<String, Object> toMap(T entity);
}

By revisiting this familiar scenario, you’ll witness firsthand how annotation processors can streamline code generation and manipulation during compile time. As you undertake the practical exercises, consider the...

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