Java
Performance Pitfalls
Real-world performance: why Big-O hides constant factors, actual memory footprints, JMH benchmarking, JFR/JMC monitoring, and collection-specific antipatterns.
Algorithms
Algorithm Analysis Fundamentals
Master Big O notation, Big Omega, Big Theta, and amortized analysis. Learn to derive complexity for any algorithm and use JMH for proper Java benchmarking.