FA-0272Software Development

Java Performance Tuning

1-Day Intensive / 2-Day Standard Training Outline

Introduction

Why this course

Java, a widely-used programming language, powers numerous mission-critical systems, from enterprise applications to mobile apps. However, as applications grow in complexity, ensuring they run efficiently becomes a challenge. This is where Java performance tuning comes into play.

By optimizing your Java code and understanding the intricacies of the Java Virtual Machine (JVM), you can significantly enhance the speed and responsiveness of your applications.

This intensive 1-day training course aims to equip you with the essential skills and knowledge needed to identify performance bottlenecks and apply effective tuning techniques.

Whether you're a seasoned developer or just starting out, mastering Java performance tuning can give you a competitive edge in the software development landscape.

Learning outcomes

By the end of this training, participants will be able to:

Understand the importance and fundamentals of Java performance tuning.
Identify common performance bottlenecks in Java applications.
Utilize profiling tools to analyze and diagnose performance issues.
Apply effective tuning techniques to optimize Java applications.
Configure and fine-tune the JVM for better performance.
Implement best practices for efficient memory management and garbage collection.
Enhance application performance through code optimization and concurrency management.

Prerequisites

Basic knowledge of Java programming.
Familiarity with object-oriented programming concepts.
Understanding of fundamental programming constructs (loops, conditionals, data structures).
Basic experience with integrated development environments (IDEs) like IntelliJ IDEA or Eclipse.

Training outline

8 modules

01Introduction to Java Performance Tuning3 topics

Importance of performance tuning
Common performance issues in Java applications
Overview of the Java Virtual Machine (JVM) architecture

02Performance Analysis and Profiling Tools4 topics

Introduction to profiling and monitoring tools
Using VisualVM for performance analysis
Profiling with JProfiler
Analyzing heap dumps and thread dumps

03Understanding and Tuning the JVM5 topics

JVM memory model and structure
Configuring JVM memory settings
Understanding garbage collection (GC) mechanisms
Tuning GC parameters for optimal performance
Using the Garbage Collection (GC) logs for analysis

04Memory Management and Optimization4 topics

Identifying memory leaks and memory bloats
Techniques for efficient memory allocation
Optimizing object creation and destruction
Using weak references and soft references

05Garbage Collection Tuning4 topics

Deep dive into different types of garbage collectors
Choosing the right garbage collector for your application
Tuning garbage collector parameters
Minimizing GC pauses and optimizing throughput

06Benchmarking with JMH (Java Microbenchmark Harness)5 topics

Introduction to JMH
Setting up JMH for benchmarking
Writing and running JMH benchmarks
Interpreting JMH benchmark results
Best practices for benchmarking with JMH

07Code Optimization Techniques4 topics

Writing efficient and performant Java code
Avoiding common performance pitfalls in Java
Optimizing loops and data structures
Effective use of caching strategies

08Concurrency and Multithreading4 topics

Basics of Java concurrency and multithreading
Identifying and solving synchronization issues
Optimizing thread management and thread pools
Using Java concurrency utilities effectively

By the end of this intensive training, participants will have gained a comprehensive understanding of Java performance tuning and will be equipped with practical skills to enhance the performance of their Java applications.

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