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🧠🛰️ KAFKA STREAMS FEATURES QUIZ: WHAT’S REALLY BUILT-IN? 🔸 THE QUESTION (TRY BEFORE YOU SCROLL 👀) Kafka Streams is a library to process data from Kafka topics. Which statements are true about Kafka Streams? ▪️ Works with Kafka security (TLS/SASL/ACLs) ▪️ Scales to handle more load ▪️...

🔸 TLDR 🧠 ▪️ Use Jakarta EE standards to build microservices cleanly: Client (JAX-RS Client) → Controller (JAX-RS) → Service (@Transactional) → DAO (JPA). 🔸 THE IDEA ▪️ Build one microservice as a “frontend/BFF” that calls other services (still Java, still Jakarta EE). ▪️ Build one...

TL;DR 🧾 Big-O tells you how runtime scales. Use it to avoid traps (like exponential time), but remember: constants and real-world constraints can make a “slower” Big-O faster in practice. Measure before optimizing. 🎯 🔸 MEANING Algorithm speed = how the runtime grows when input size...