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Mastering the Java Virtual Machine

You're reading from  Mastering the Java Virtual Machine

Product type Book
Published in Feb 2024
Publisher Packt
ISBN-13 9781835467961
Pages 234 pages
Edition 1st Edition
Languages
Author (1):
Otavio Santana Otavio Santana
Profile icon Otavio Santana

Table of Contents (19) Chapters

Preface 1. Part 1: Understanding the JVM
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

Value conversions

In this section, we immerse ourselves in the intricate realm of value conversions within the JVM. These conversions serve as the chameleons of the bytecode landscape, enabling variables to transform their types gracefully by allowing integers to stretch into longs and floats to transcend into doubles without compromising the fidelity of their original values. The bytecode instructions that facilitate these metamorphoses are crucial in maintaining precision, preventing data loss, and ensuring the seamless integration of different data types. Join us as we dissect these instructions, uncovering the symphony of elegance and accuracy that underpins Java programming:

  • Integer to long (i2l): Explore how the i2l instruction promotes an integer variable to a long, preserving the original value’s precision
  • Integer to float (i2f): Delve into the world of i2f, where an integer gracefully transforms into a float without sacrificing precision
  • Integer to double...
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