1. Wrap-up
Well done! You've reached the final video of this course! Let's briefly summarize what you've covered!
2. Chapter 1: Fundamentals of code performance
Throughout this course, you explored performance optimization from theory to practice. In Chapter 1, you covered algorithmic complexity using Big-O notation, examining both time and space considerations, and learned how to select the appropriate data structures like `HashMap` and `HashSet` for different scenarios.
3. Chapter 2: Measuring code performance
In Chapter 2, you delved into measuring performance with tools like `System.nanoTime()`. Then, you explored JVM memory architecture and implemented tracking for performance metrics such as memory and CPU using `Runtime` and `ThreadMXBean`. Then, you understood how garbage collection and JIT compilation affect your applications.
4. Chapter 3: Improving code performance
Finally, in Chapter 3, you implemented advanced optimization techniques including multi-threading with parallel streams, thread pools with `ExecutorService`, caching strategies using `Jedis`, and performance patterns like lazy initialization and singletons.
5. Thank you!
Thank you for taking this course! To continue your journey, consider exploring more data structures, advanced concurrency patterns and profiling tools. Keep optimizing!