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

GraalVM overview

In this enlightening section, we’ll embark on a journey through the groundbreaking landscape of GraalVM, an innovation that has redefined the expectations of a JVM. GraalVM’s rise to prominence can be attributed to its sensational features, with a special emphasis on its high-performance compiler, ahead-of-time (AOT) compilation, and prowess in managing diverse language runtimes.

At the heart of GraalVM’s exceptional performance lies its state-of-the-art JIT compiler. This compiler is meticulously engineered to optimize the execution of Java applications, pushing the boundaries of speed and efficiency. Unlike traditional JVMs, GraalVM’s JIT compiler boasts advanced techniques and optimizations, resulting in faster startup times and reduced memory footprint. Therefore, developers experience a significant boost in the overall performance of their applications, making GraalVM an invaluable tool for those striving for excellence in execution...