Interview Questions and Answers for 'Spring' | Search Interview Question

Interview Questions and Answers - Order By Newest

Q41. What are some limitations or dis advantages of Auto Wiring ?

Ans. Autowiring a class of the same type throws an exception.
We can user @Qualifier to overcome this.
Autowiring cannot be used for primitives.

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Q42. What are the types of transaction management supported by Spring ?

Spring

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Q43. What are the different ORMs supported by Spring ?

Spring

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Q44. What are the different types of advices in AOP ?

Spring

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Q45. What is weaving in Spring ?

Spring

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Q46. How to use spring boot to configure different datasources ?

Spring Boot

Ans. https://github.com/jahe/spring-boot-multiple-datasources

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Q47. What are the disadvantages of Bean Auto Wiring in Spring ?

Spring

Ans. It can always be overridden with explicit wiring. Moreover it's confusing if we use both explicit as well as explicit wiring in the project.

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Q48. how do you share data between JSP and spring controller using Angular JS ?

AngularJS

Ans. For JPS we can use modelAttribute and ModelAndView object to share data between JPS and Controller. In case of Angular JS, the angular js always get data in form of JSON and it can be accessed by REST WS. So the angular js share data with controller in the form of JSON.

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Q49. Which spring boot version are you working with ?

Spring Boot

Ans. 2.5v

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Q50. How does the @ComponentScan annotation work ?

Spring

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Q51. What is difference between Spring jdbc template and Hibernate ?

Hibernate

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Q52. What is the difference between WebApplicationContext, ApplicationContext, DispatcherServlet, and rootContext in Spring framework?

Spring

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Q53. Should we have instance variables in the Spring Bean which has been scoped as Singleton ?

Spring

Ans. No, if required we should only have final variables. Bean scoped singleton means that only one instance of the bean will be created and will be shared among different requests and hence instance variables will get shared too.

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Q54. Can we capture the Request body within the interceptor or Filter and perform operations on it ?

Spring

Ans. Yes, But with interceptor it will remove the body from the request and then we will have to explicitly add the attributes to the session to forward it to the handler.

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Q55. Which spring boot version are you working with ?

Spring Boot

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Q56. What is ViewResolver in Spring MVC ?

Spring

Ans. View resolver is used to get view name from Controller and resolve the next view page

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Q57. Why do we need to initialize Spring context ?

Spring

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Q58. Which spring boot version are you working with ?

Spring Boot

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Q59. What is setter injection ?

Spring

Ans. Setter Injection in Spring is a type of dependency injection in which the framework injects the dependent objects into the client using a setter method.

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Q60. In which way are you using dependency injection in Spring ? Annotation , Config or Class ?

Spring

Ans. Possible Answer - We are using config file.

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Q61. Can we use Prototype Bean scope with Autowiring ?

Spring

Ans. Default Bean scope in auto wiring is Singleton but Yes, that can be changed by specifying the Bean scope explicitly.

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Q62. Difference between Component-Scan and @Component annotation ?

Spring

Ans. @component mark a java class as a bean so that component scan mechanism of spring pick it up and register in IOC container.

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Q63. What are the features of Spring Framework ?

Spring

Ans. Core technologies: dependency injection, events, resources, i18n, validation, data binding, type conversion, SpEL, AOP.

Testing: mock objects, TestContext framework, Spring MVC Test, WebTestClient.

Data Access: transactions, DAO support, JDBC, ORM, Marshalling XML.

Spring MVC and Spring WebFlux web frameworks.

Integration: remoting, JMS, JCA, JMX, email, tasks, scheduling, cache.

Languages: Kotlin, Groovy, dynamic languages.

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Q64. Can you explain spring boot project Architecture?

Spring Boot

Ans. The architecture of a Spring Boot project can be divided into three layers:

Presentation Layer:
This layer is responsible for handling user requests and generating responses. It includes the user interface, which can be a web UI or a RESTful API. Spring Boot provides various options to develop web applications, such as Spring MVC, Thymeleaf, and others.

Service Layer:
This layer contains the business logic of the application. It is responsible for processing the user requests and generating responses. The Service Layer interacts with the Data Access Layer to fetch and store data.

Data Access Layer:
This layer is responsible for interacting with the database or any other external data source. It includes the database model, repositories, and data access objects. Spring Boot provides support for various data access technologies, such as JPA, JDBC, and Spring Data JPA.

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Q65. Without configure ContextLoaderListenerAnd DispatcherServlet how to run spring MVCApplication?

Spring

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Q66. What is the difference between try-catch and @ExceptionHandler in Java/Spring Boot?

Spring Boot

Ans. ExceptionHandler is Used to handle at Method level

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Q67. What is @EnableSptringMVC ?

Spring

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Q68. Explain Spring mvc.

Spring

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Q69. How did you use Spring in your project ? Which Spring annotations have you used in your project ?

Spring

Ans. @RequestMappping

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Q70. What is stereotype annotation ?

Spring

Ans. These annotations are used to create Spring beans automatically in the application context. The main stereotype annotation is @Component . @Controller: Which is used to create Spring beans at the controller layer. The stereotype annotations in spring are @Component, @Service, @Repository and @Controller

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