Can anybody explain these words.Presentation Tier .Business Tier .Integration Tier in java EE with example?

jakarta-ee, java, n-tier-architecture

Solution

- Presentation tier: what the users see, typically a web application.

- Business tier: where all the logic for your application is performed.

- Integration tier: what connects the system to other systems (through database connections, JMS, web services, etc).

Problem

What are these in Java EE .Presentation Tier .Business Tier .Integration Tier I like to know what are these patterns with example

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