spring framework charastaristics

spring is a framework used to make the life of a java programmer easy. Well when you talk about spring framework it has some important characteristics.

1) Dependancy Injection - When you write a complex java code, you write classes to be as much as independent as possible and DI helps to glue them together while keeping them independent.

2) Aspect oriented programming (AOP) - This helps you to decouple cross-cutting concerns like security, logging, declarative transactions, caching.