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Dependency Injection (DI) Understanding Dependencies Dependencies represent external components that a class requires to function properly. Consider a scenario where a Person class relies on CleanAir: public class Person { private CleanAir air; public Person(CleanAir air) { this.air = air; } } public class CleanAir { ...

Understanding Spring Framework Architecture Monolithic Architecture A single project deployed as a WAR package running on a single Tomcat instance. This approach integrates all functionality into one cohesive unit, often referred to as "all in one." Key technologies in monolithic architecture typically include: Spring Framework Sprin ...

In software architecture, dependencies arise when one class requires collaboration from another to function. This relationship often leads to coupling. Consider a standard three-tier structure consisting of a User Interface, Business Logic, and Data Access layer. Without proper abstraction, the business logic layer directly instantiates data ac ...