Singleton in Java Course
This course dives deep into the Singleton design pattern in Java, using practical examples from logging, configuration, and service management. Participants will learn to create thread-safe singletons, evaluate performance impacts, understand limitations, and develop cleaner, more reliable, and testable enterprise applications with best practices.

flexible workload of 4 to 360h
valid certificate in your country
What will I learn?
Gain practical skills to build secure and efficient Singleton classes in Java for real-world apps. Explore various implementation methods, handle threading and memory model challenges, and incorporate configuration and logging effectively. Master avoiding pitfalls, enhancing testability, and selecting optimal strategies for better performance, reliability, and code maintenance.
Elevify advantages
Develop skills
- Implement core Java Singleton types like eager, lazy, enum, and holder efficiently.
- Design thread-safe Singletons using volatile fields, locks, and proper publication techniques.
- Develop reliable configuration and logging Singletons with clean interfaces and safe lifecycle management.
- Prevent Singleton pitfalls to boost testability, reduce coupling, and minimise application risks.
- Identify and resolve Singleton problems such as memory leaks, thread contention, and security vulnerabilities.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
Your classes are perfect. I got the one-year package and finally have the chance to follow several topics I'm interested in without having to switch platforms... I appreciate everything you do, I've already recommended you to others...

Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can switch chapters and skip content I don't need.

Mariana FerresPhotography Student
I like the content and the way the videos are presented and transcribed, which speeds up the process!

Luciana AlvarengaNail Design Student
The platform is fast and easy to use. The variety of content and the supplementary videos really help with learning.

Giulio CarloPrompt Engineering Student
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