Here are some features of spring:-

? Lightweight:

spring is lightweight when it comes to size and transparency. The essential version of spring framework is around 1MB. And the processing overhead is also very negligible.

? Inversion of control (IOC):

Loose coupling is achieved in spring using the METHOD Inversion of Control. The objects give their dependencies instead of creating or looking for dependent objects.

? Aspect oriented (AOP):

Spring supports Aspect oriented programming and enables cohesive development by separating application business logic from system services.

? Container:

Spring have and manages the life cycle and configuration of application objects.