Skip to main content

Top 10 Spring Boot Interview Questions and Answers

1. What is Spring boot?
Spring Boot makes it easier for you to create production ready applications in no time. It is an opinionated view to create Spring application quickly. It follows convention over configuration. In simple terms, it comes with default configurations for most of the Spring projects, you don’t need to do much to bootstrap any spring application.

2. Why did you use Spring boot in your application?
As discussed earlier, Spring boot makes it easier for you to create Spring application, it can save a lot of time and efforts.

For example: Let’s say you want to create Spring boot project with activeMQ. You can simply use “spring–boot–starter–activemq” as artifact Id, it will take all the defaults and create Spring application with ActiveMQ configured. Let’s say you don’t want to use inbuilt activeMQ, you can simply override “spring.activemq.broker-url” in application.properties to use external ActiveMQ.

3. Can you list advantages of Spring boot?
Advantages of Spring boot are:

It provides a lot of default configurations which help you to create Spring application faster.
It comes with embedded tomcat or jetty server, so you don’t have to deploy jar.
It reduces development code by avoiding a lot of boilerplate code.
It increases productivity as you can create Spring application quickly.
It provides a lot of starter project for easy maven integration.You don’t have to worry about version mismatch.
You can quickly create using sample project using spring boot initializer
4. What are disadvantages of Spring boot?
If you want to convert your old spring application to Spring boot application, it may not be straight forward and can be time consuming.

5. How can you override default properties in Spring boot Project?
Spring boot provides a lot of properties which can be overridden by specifying them in application.properties.

For example: You want to specify prefix and suffix in Spring MVC applications. You can simply do it by putting below properties in application.properties.

spring.mvc.view.prefix: /WEB-INF/
spring.mvc.view.suffix: .jsp

6. How can you run Spring boot application on custom port?
You can simply put server.port properties in application.properties.

For example:server.port=8050

7. What is Spring boot starter and how it is useful?
Spring boot comes with a lot of starters which is set of convenient dependency descriptors which you can include in your pom.xml.

For example: Let’s say you want to work Spring MVC application, you can simply include “spring–boot–starter–web” as dependency in pom.xml .

8. Can we use Spring boot with applications which are not using Spring?
No, it is not possible as of now. Spring boot is limited to Spring applications only.

9. What is name of the configuration file which you use in Spring boot?
Configuration file used in Spring boot projects is application.properties. It is very important file as it is used to override all default configurations.

10. What is DevTools in Spring boot?
Spring boot comes with DevTools which is introduced to increase the productivity of developer. You don’t need to redeploy your application every time you make the changes.Developer can simply reload the changes without restart of the server. It avoids pain of redeploying application every time when you make any change. This module will be disabled in production environment.


Meet The Experts For Better Guidence : https://nareshit.com/spring-online-training/

Comments

Popular posts from this blog

What is the Microsoft Office 365 App Launcher?- Www.Office.Com/Setup

  www.office.com/setup includes the Microsoft Office 365 app launcher, which opens considering than you click the app launcher icon. The Office 365 app launcher, which in adding to Office is after that spacious across the suite, is a menu of your MS Office 365 apps and facilities that makes launch and switching amid apps easy.   Www.office.com/setup is the URL for an experience that we’ve been building for a couple of years. We predictable it to be your produce an effect a role hub experience and distribute foster to you brusquely profit to the tools, apps, documents, and content you use a propose a daily basis. We’ve moreover brought height into the experience that customizes the experience based concerning your activities.   We on rolling out some changes to the way pinned applications show on Office.com and in the app launcher:   We’re provided running controls in the Azure Active Directory portal that enable admin subsequent to the Cloud application administrator, Application adm

Safety is something that is relative freedom from loss

 Safety is something that is relative freedom from loss, injury, risk, hazard or fatal and confined space is something which is closed or partially closed space or condition with unusual atmosphere and not designed or intended for human occupancy. Tanks, vessel, trenches, shafts, boilers, any excavations more than four feet deep is also considered as confined space. Confined spaces are classified into two types such as Permit-to-Work confined space and non permit to work confined space. Non permit to work safety confined spaces are those which has no hazardous atmosphere and with low risk which is at acceptable level. Before going for the task Risk Assessments and Hazard Identification are to be carried out and no one shall enter into a confined space unless there is a standard system of work in place that have been planned, organised, implemented and regularly monitored, maintained so as to render that work safe and without risk to health. All the entrants of the confi