What is Spring  - SSTTEK Academy


Spring is an application development framework for the Java platform. Initially developed by Rod Johnson, Spring emerged as an alternative to the Java EE (Enterprise Edition) platform. Spring includes a set of tools and libraries to facilitate the development and management of Java applications. 

The core features of the Spring Framework include: 

Inversion of Control (IoC): Spring is based on the IoC principle, which reverses the creation of objects and manages their dependencies. The Spring container manages application objects and injects their dependencies. 

Dependency Injection (DI): Spring implements the DI principle, which involves injecting objects’ dependencies from an externally defined source (usually a configuration file). This makes the application more flexible and testable. 

Aspect-Oriented Programming (AOP): Spring supports AOP, which centrally manages repetitive or common functions in application code. This modularizes the code and separates business logic cleanly. 

Data Access and Integration: Spring supports various data access technologies and integration libraries like JDBC, Hibernate, JPA, JMS, etc. This simplifies tasks such as database access, ORM (Object-Relational Mapping), messaging, and external system integration. 

Web Application Development: Spring provides web frameworks like Spring MVC and Spring WebFlux for developing web applications. These frameworks handle processing HTTP requests, supporting the MVC model, creating RESTful services, and more. 

Security: Spring offers tools and libraries for ensuring application security, including Spring Security for authentication and authorization. 

The Spring Framework is a popular choice for developing and managing Java-based applications due to its extensive feature set and active community support, preferred by many large organizations and developers. 

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