Java LLD: Designing a Kafka-Like Message Queue for Machine Coding Interviews

Java LLD: Designing a Kafka-Like Message Queue for Machine Coding Interviews Designing a high-performance message queue is a frequent requirement in senior-level machine coding rounds. It tests your ability to balance thread safety with decoupled architecture while managing stateful consumer progress. The mistake most candidates make Using a standard java.util.Queue that removes elements upon polling, which prevents multiple consumer groups from reading the same data. Coupling the Producer direc