🔸 QUIZ (CHOOSE ONE) ▪️ It defines the maximum number of consumer records processed per minute. ▪️ It determines the interval at which offsets are committed. ▪️ It controls the time Kafka remembers offsets in a special topic. ▪️ It sets the frequency of consumer group rebalancing. 🔸...

📐 Problem Given a string containing only ()[]{}, determine if it’s well-formed: every opening bracket has a matching closing bracket in the correct order. Java Solution (Stack + Map) 🧠 Complexity Time: O(n) — each char is pushed/popped at most once. Space: O(n) — worst case all...

🔸 TL;DR Strings are a poor substitute for real types. If the data is a number, boolean, enum, date/time, money, or a composite/value object, model it as such. You’ll gain validation, discoverability, compiler checks, and clearer intent. 🧠✅ 🔸 WHY STRINGS ARE A POOR SUBSTITUTE ▪️ Hard to...