How do you find the Spring context?

Getting the ApplicationContext in a spring bean

1. Implement ApplicationContextAware in your bean and add in a setter and private variable for the ApplicationContext.
2. Make the bean in your spring config file and spring puts in the appcontext for you.

What is Spring ApplicationContext?

The ApplicationContext is the central interface within a Spring application that is used for providing configuration information to the application. It implements the BeanFactory interface. Its main function is to support the creation of big business applications.

What is configuration in Spring?

Spring @Configuration annotation helps in Spring annotation based configuration. @Configuration annotation indicates that a class declares one or more @Bean methods and may be processed by the Spring container to generate bean definitions and service requests for those beans at runtime.

What is Spring Autowiring?

Autowiring feature of spring framework enables you to inject the object dependency implicitly. It internally uses setter or constructor injection. Autowiring can’t be used to inject primitive and string values. It works with reference only.

What is Spring IoC container example?

Spring IoC Container is the core of Spring Framework. It creates the objects, configures and assembles their dependencies, manages their entire life cycle. The Container uses Dependency Injection(DI) to manage the components that make up the application.

What is AnnotationConfigApplicationContext in spring?

AnnotationConfigApplicationContext is a standalone application context which accepts annotated classes as input. For instance, @Configuration or @Component . Beans can be looked up with scan() or registered with register() .

What are the annotations in Spring?

Spring Boot Annotations Everyone Should Know

• @Bean. The @Bean annotations are used at the method level and indicate that a method produces a bean that is to be managed by Spring container.
• @Service. It is used at the class level.
• @Repository.
• @Configuration.
• @Controller.
• @RequestMapping.
• @Autowired.
• @Component.

What is ContextLoaderListener in Spring?

ContextLoaderListner is a Servlet listener that loads all the different configuration files (service layer configuration, persistence layer configuration etc) into single spring application context. This helps to split spring configurations across multiple XML files.

What does @bean do in spring?

The @Bean annotation returns an object that spring registers as a bean in application context. The logic inside the method is responsible for creating the instance. When do we use @Bean annotation? When automatic configuration is not an option.

What are annotations used in spring?

What is Autowired in spring with example?

The @Autowired annotation provides more fine-grained control over where and how autowiring should be accomplished. The @Autowired annotation can be used to autowire bean on the setter method just like @Required annotation, constructor, a property or methods with arbitrary names and/or multiple arguments.

What is lazy initialization in spring?

By default in Spring, all the defined beans, and their dependencies, are created when the application context is created. In contrast, when we configure a bean with lazy initialization, the bean will only be created, and its dependencies injected, once they’re needed.

How to get application context in spring application?

There are many way to get application context in Spring application. Those are given bellow: Here setApplicationContext (ApplicationContext applicationContext) method you will get the applicationContext

What is the application context of spring beans?

Spring ApplicationContext Container. The Application Context is Spring’s advanced container. Similar to BeanFactory, it can load bean definitions, wire beans together, and dispense beans upon request.

Is the root web application context in Spring MVC?

The Root Web Application Context Every Spring webapp has an associated application context that is tied to its lifecycle: the root web application context. This is an old feature that predates Spring Web MVC, so it’s not tied specifically to any web framework technology.

Which is the applicationcontext container in springframework?

This container is defined by org.springframework.context.ApplicationContext interface. The ApplicationContext includes all functionality of the BeanFactory, It is generally recommended over BeanFactory. BeanFactory can still be used for lightweight applications like mobile devices or applet-based applications.