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

In exploring methods within the intricate landscape of Java class files, we’ve uncovered their pivotal role as the architects of program behavior. The class file structure encapsulates crucial information about return types, access modifiers, and parameters, guiding the JVM in executing code dynamically and efficiently.

As we conclude this part of our exploration, the journey through class file intricacies continues into the next chapter. The upcoming topic delves into the essence of bytecode, serving as the intermediary language that bridges high-level Java code with the platform-independent execution environment of the JVM. Together, we will unravel the bytecode layer, understanding how it transforms method logic into executable instructions, ensuring the portability and universality of Java programs. This exploration into bytecodes promises to deepen our understanding of Java’s cross-platform capabilities, providing insights into the magic that enables Java...