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

Eclipse J9

In this dedicated section, we’ll delve into the capabilities of Eclipse J9, a JVM implementation that stands out for its emphasis on efficiency, scalability, and resource optimization. As we navigate the intricacies of Eclipse J9, we’ll uncover the unique features that set it apart in the vast landscape of JVM implementations and explore why developers should consider this powerhouse for their Java applications.

Eclipse J9, developed by the Eclipse Foundation, represents a cutting-edge JVM implementation that’s designed to maximize efficiency and minimize resource footprint. Known for its compact size and swift startup times, Eclipse J9 excels in critical resource utilization scenarios, making it a prime candidate for cloud-based applications, microservices, and other environments where responsiveness is paramount. Its architecture incorporates advanced JIT compilation techniques and aggressive memory management, contributing to a nimble and responsive...