Book Image

Mastering the Java Virtual Machine

By : Otavio Santana
Book Image

Mastering the Java Virtual Machine

By: Otavio Santana

Overview of this book

Mastering the Java Virtual Machine is a comprehensive guide that will take you into the heart of Java programming, guiding you through the intricate workings of the Java Virtual Machine (JVM) and equipping you with essential skills to become a proficient Java developer. You’ll start by understanding the JVM, exploring its architecture and how it executes Java code. Through detailed explanations and real-world examples, you’ll gain a deep understanding of JVM internals, enabling you to write efficient and optimized Java applications. As you progress, you’ll delve into memory management and execution, unraveling the complexities of heap and stack management, garbage collection, and memory profiling. You'll learn how memory is allocated and reclaimed in the JVM, as well as how to optimize memory usage and identify performance bottlenecks in your applications. With this knowledge, you’ll be able to create Java programs that are not only robust but also highly performant. By the end of this book, you’ll have the skills needed to excel in Java programming, writing efficient, maintainable code.
Table of Contents (19 chapters)
Free Chapter
1
Part 1: Understanding the JVM
5
Part 2: Memory Management and Execution
9
Part 3: Alternative JVMs
12
Part 4: Advanced Java Topics

Summary

As we conclude our exploration of Java bytecode and its intricate conditional instructions, readers have acquired a solid understanding of the nuanced control flow within Java programs. Armed with knowledge about bytecode’s decision-making capabilities, readers are well-equipped to optimize their code for efficiency and precision. The journey now propels us into the heart of the JVM with a focus on the execution engine in the upcoming chapter. Readers can anticipate delving into the mechanics of bytecode interpretation and the transformative realm of just-in-time (JIT) compilation. These skills are invaluable in real-life workplaces, where optimizing Java applications for performance is a critical task. Join us in unraveling the secrets of the JVM’s Execution Engine, where the binary dance of bytecode evolves into optimized machine instructions, empowering readers to enhance the runtime magic of Java applications.