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

Introduction to the Java Virtual Machine

In the ever-expanding software development universe, Java is a shining star known for its versatility, cross-platform capabilities, and robust performance. At the heart of Java’s exceptional capabilities lies the Java Virtual Machine (JVM), a sophisticated technology that serves as the backbone of the Java ecosystem. In this chapter, we embark on an enlightening journey to demystify the inner workings of the JVM, delving deep into its internals to unveil the secrets of its operation.

In this chapter, we will delve deeper into the historical evolution of the JVM, explore its architecture, and understand its role in executing Java applications. Furthermore, we’ll cover essential topics, such as bytecode, class loading, memory management, and the execution engine, which form the foundation of the JVM’s functioning. By the end of this chapter, you will possess the foundational knowledge needed to unravel the intricate inner...