10. JVM Internals and Performance Tuning - Advance Programming In Java

Sections

62 sections

About this chapter

The chapter discusses the Java Virtual Machine (JVM), focusing on its architecture, memory model, execution engine, and garbage collection. It highlights performance tuning techniques and tools that help developers optimize application performance and troubleshoot issues effectively. Mastery of JVM internals is essential for advanced Java developers to build efficient, high-performing applications.

Learning objectives

The Java Virtual Machine serves as an abstraction layer for executing Java bytecode.
Understanding JVM's memory model and garbage collection strategies is vital for performance optimization.
Utilizing JVM tuning parameters and profiling tools can significantly enhance application performance.

Key concepts

JVM Architecture

The structure of the Java Virtual Machine, which includes components like the Class Loader Subsystem, Runtime Data Areas, and Execution Engine.

Garbage Collection

The process of automatic memory management in Java, responsible for reclaiming memory by removing objects that are no longer in use.

Just-In-Time (JIT) Compilation

A method of executing Java bytecode that compiles it into native code at runtime, optimizing performance.

Memory Model

Describes how memory is structured and managed in the JVM, including Heap and Non-Heap memory.

Performance Tuning

The set of techniques applied to optimize the performance of Java applications by configuring the JVM settings and monitoring performance.

Chapter exercises

2 questions

Total Questions

2

Estimated Time

4 min

Passing Score

70%

Instructions

Read each question carefully
You can use hints if you need help
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