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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 FREE CHAPTER
2. Chapter 1: Introduction to the Java Virtual Machine 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

Methods in the class file

Let’s embark on an in-depth exploration of the heart of Java class files—methods. These dynamic components serve as the architects of behavior within classes, shaping the very essence of Java programs and orchestrating the precise execution of code within the JVM. In this session, we’ll peel back the layers to unravel the intricacies of method declarations, parameter passing, and the dynamic execution of code. We aim to provide you with a solid foundational understanding of how methods fundamentally contribute to Java classes’ structural integrity and functionality.

Within class files, a method’s return type is key to understanding the nature of the data generated during execution. This critical element acts as a guiding beacon for the JVM, enabling it to anticipate the expected outcomes of each method. Whether a method yields an int, String, or any other data type, the return type encapsulates this vital information,...

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