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 this chapter, we delved into the transformative capabilities of GraalVM, from its high-performance compiler to the creation of a Native Image. Witnessing the efficiency gains achievable through AOT compilation marked a significant milestone, showcasing GraalVM’s versatility in reshaping the Java development landscape.

As we conclude, this chapter served as a stepping stone to the broader exploration of the JVM ecosystem and alternative JVMs in the next chapter. The diverse options beyond conventional JVMs, such as OpenJ9 and Azul Zing, will be unraveled, providing insights into their unique features and contributions to the ever-evolving Java ecosystem. Join us in the next chapter as we navigate the diverse paths within the JVM landscape, informed by the knowledge we’ve gained from our exploration of GraalVM.