Best Practices

History and Background of Layered Architecture Layered architecture is a design pattern that emerged in 1990s enterprise application development to support the principle of separation of concerns. It was later systematized in Martin Fowler’s “Patterns of Enterprise Application Architecture” (2002). The traditional three-layer architecture consists of the presentation layer, business logic layer, and data access layer. Spring Framework made this structure easy to implement through @Controller, @Service, and @Repository annotations, and it became the de facto standard for Java enterprise development. ...