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SPRING INTERVIEW QUESTIONS ANSWERS PDF

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This is a summary of some of the most important questions concerning the Spring Framework, that you may be asked to answer in an interview or in an interview. + Questions and Answers on Spring, Spring Boot and Spring MVC spring- musicmarkup.info · Adding interview questions pdf, 2 years ago. Read Best Spring interview questions and their answers. We hereby provide you the basic ones. Download Spring interview questions PDF.


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This article features a great number of Spring interview questions and Spring Interview Questions and Answers – The ULTIMATE List (PDF. Spring framework targets to make Java EE development easier to use and promote good programming practice by enabling a POJO-based programming model. The objects that form the backbone of the users application and that are managed by the Spring IoC container are called beans. Dear readers, these Spring Interview Questions have been designed specially to get you they continue based on further discussion and what you answer.

Spring is an open source development framework for enterprise Java. The main features of spring may be used for developing applications of Java. Also, extensions for making web applications on top of JavaEE platform can be done. The main goal of spring is to make the development of J2EE development a lot easier to use and promote a programming practice by making use of POJO-based models. Spring is a lightweight framework. This framework is defined as a structure using which we can find the solutions to various technical problems. We hereby provide you with some questions on spring.

It can be used as a full time Spring web application. Using Spring Frameworks middle-tier, it can be used as a third-party web framework. It can be used for remote usage. What is a Join point?

Answers questions spring pdf interview

Join point is a point in an application where one can initialize an AOP aspect. One can also define it as the exact place in the application where an action is said to take place while using spring framework. How to use spring boot to configure different datasources? What do you mean by spring beans? What does bean scopes spring support?

Explain each. A bean is an object that is initialized, put together, and is managed by a Spring IoC container. The beans are created with the help of configuration metadata that are supplied to the container by the users. This is the scope that the bean defines to a single instance for each Spring IoC container.

This is the scopes that a bean defines to have any number of object instances. This is the scopes that a bean defines as per HTTP requests. This is valid in the form of a web-aware Spring Application Context Session: This is the scopes that a bean defines to an HTTP session. This is valid in the form of a web-aware Spring Application Context Global-session: This is the scopes that a bean defines to a global HTTP session.

This is valid in the form of a web-aware Spring Application Context. Explain Inversion of Control, how to implement it. Subscribe Our NewsLetter. Subscribe Now. Join Onlineinterviewquestions.

Spring interview questions

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Spring interview questions in - Online Interview Questions

Java Play interview Questions. How to validate if the bean was initialized using valid values? Answer: Spring supports JSR annotation-based validations. The article regarding JSR is available here.

Answers questions spring pdf interview

For example, you can have a look here. List the advantages of Spring Framework? It is open-source and has no vendor lock-in. What are the different features of Spring Framework? Answer: Following are some of the major features of Spring Framework : Lightweight: Spring is lightweight when it comes to size and transparency.

Inversion of control IOC : The objects give their dependencies instead of creating or looking for dependent objects. This is called Inversion Of Control. Aspect oriented Programming AOP : Aspect oriented programming in Spring supports cohesive development by separating application business logic from system services.

Container: Spring Framework creates and manages the life cycle and configuration of the application objects. Transaction Management: Generic abstraction layer for transaction management is provided by the Spring Framework.

What does a Spring Bean definition contain?

Answer: A Spring Bean definition contains all configuration metadata which is needed for the container to know how to create a bean, its lifecycle details and its dependencies. How do you define the scope of a bean?

Spring Interview Questions

Answer: When defining a in Spring, we can also declare a scope for the bean. It can be defined through the scope attribute in the bean definition.

Interview pdf spring questions answers

On the other hand, when the same instance of a bean must be returned by Spring every time it is needed, the the bean scope attribute must be set to singleton. What are some of the important features and advantages of Spring Framework? Some of the features of spring framework are: Lightweight and very little overhead of using framework for our development.

Dependency Injection or Inversion of Control to write components that are independent of each other, spring container takes care of wiring them together to achieve our work. Support for transaction management, JDBC operations, File uploading, Exception Handling etc with very little configurations, either by using annotations or by spring bean configuration file.

Some of the advantages of using Spring Framework are: Reducing direct dependencies between different components of the application, usually Spring IoC container is responsible for initializing resources or beans and inject them as dependencies.

We can easily write a test configuration and inject our mock beans for testing purposes. Spring includes several applications of Bean factory. Out of these, org.

Spring interview questions

XmlBeanFactory is a very important one. It loads the beans on the basis of the definitions stored in an XML file. For the creation of an XmlBeanFactory, a java. InputStream is passed to the constructor. For example, for retrieval of the bean, the getBean method is called by passing the name of the desired bean. It is the DataAccessException given by org.

Constructor Injection: Dependencies are given in the form of constructor parameters. Interface Injection: With the help of an interface, an Injection is performed. Out of these three, only construction and setter are being used in Spring.