Intent of the Publish-Subscribe Design Pattern

Detailed Explanation of Publish-Subscribe Pattern with Real-World Examples

Programmatic Example of Publish-Subscribe Pattern in Java

Defining the Message

Defining Topics

Publisher Implementation

Defining Subscribers

Example Usage (Invocation)

Program output

When to Use the Publish-Subscribe Pattern

Real-World Applications of Publish-Subscribe Pattern in Java

Benefits and Trade-offs of Publish-Subscribe Pattern

Related Java Design Patterns

References and Credits