A complete guide to Apache Kafka with Java — topic and partition architecture, producers and consumers, consumer groups, offset management, plus error handling and best practices for production.
A complete guide to RabbitMQ with Java — exchange and queue architecture, exchange types (direct, fanout, topic, headers), acknowledgments, prefetch, dead letter queues, and the request-reply pattern.
A complete guide to Amazon SQS with Java — the differences between Standard and FIFO queues, visibility timeouts, long polling, Dead Letter Queues, batch operations, SNS fan-out integration, and handling duplicate messages.
A complete guide to Google Cloud Pub/Sub with Java — topic and subscription architecture, push vs pull delivery, acknowledgment deadlines, ordering keys, dead letter topics, message filtering, and GCP ecosystem integration.