Also known as

Intent of Polling Publisher-Subscriber Pattern

Detailed Explanation of the Pattern with Real-World Examples

Real-world analogy

In plain words

Wikipedia says

Architecture Flow

Programmatic Example (Spring Boot + Kafka)

Publisher Service

Subscriber Service

When to Use the Polling Publisher-Subscriber Pattern

Real-World Applications

Benefits and Trade-offs of Polling Pub/Sub Pattern

Benefits

Trade-Offs

Related Java Design Patterns

References and Credits