Which are the IoC containers in spring?
There are basically two types of IOC Containers in Spring:BeanFactory: BeanFactory is like a factory class that contains a collection of beans.
It instantiates the bean whenever asked for by clients.ApplicationContext: The ApplicationContext interface is built on top of the BeanFactory interface..
What does IoC mean in spring?
Inversion of Control5.1 Introduction to the Spring IoC container and beans This chapter covers the Spring Framework implementation of the Inversion of Control (IoC)principle. IoC is also known as dependency injection (DI).
How does Spring achieve DI or IoC?
IoC is achieved through DI. … By DI, the responsibility of creating objects is shifted from our application code to the Spring container; this phenomenon is called IoC. Dependency Injection can be done by setter injection or constructor injection.
How many containers are there in spring?
twoIn a typical Spring MVC project there two “containers”: One created by ContextLoaderListener and the other created by DispatchServlet.
What is Spring IoC container example?
An IoC container is a common characteristic of frameworks that implement IoC. In the Spring framework, the IoC container is represented by the interface ApplicationContext. The Spring container is responsible for instantiating, configuring and assembling objects known as beans, as well as managing their lifecycle.
What is difference between IoC and DI in spring?
Inversion of control is a design principle which helps to invert the control of object creation. Dependency Injection is a design pattern which implements IOC principle. … DI provides objects that an object needs.