Spring Boot面试每日10问（1）

分手后的思念是犯贱 2023-09-24 17:27 20阅读 0赞

> `Spring Boot` Interview Questions

# 1. What is Spring Boot? #

*  Spring Boot is a Spring module which provides RAD (Rapid Application Development) feature to Spring framework.
 *  It is used to create stand alone spring based application that you can just run because it needs very little spring configuration.

# 2. What are the advantages of Spring Boot? #

*  Create stand-alone Spring applications that can be started using java -jar.
 *  Embed Tomcat, Jetty or Undertow directly. You don’t need to deploy WAR files.
 *  It provides opinionated ‘starter’ POMs to simplify your Maven configuration.
 *  It automatically configure Spring whenever possible.

# 3.What are the features of Spring Boot? #

*  Web Development
 *  SpringApplication
 *  Application events and listeners
 *  Admin features

# 4.How to create Spring Boot project using Spring Initializer? #

It is a web tool which is provided by Spring on official site. You can create Spring Boot project by providing project details.

# 5.How to create Spring Boot project using boot CLI? #

we can download from the official site of Spring Framework.

# 6.What are the Spring Boot Annotations? #

The `@RestController` is a stereotype annotation. It adds `@Controller` and `@ResponseBody`annotations to the class. We need to import org.springframework.web.bind.annotation package in our file, in order to implement it.

# 7.What is Spring Boot dependency management? #

*  Spring Boot manages dependencies and configuration automatically. You don’t need to specify version for any of that dependencies.
 *  Spring Boot upgrades all dependencies automatically when you upgrade Spring Boot.

# 8.What are the Spring Boot properties? #

*  Spring Boot provides various properties which can be specified inside our project’s application.properties file.
 *  These properties have default values and you can set that inside the properties file.
 *  Properties are used to set values like: server-port number, database connection configuration etc.

# 9.What are the Spring Boot Starters? #

*  Starters are a set of convenient dependency descriptors which we can include in our application.
 *  Spring Boot provides built-in starters which makes development easier and rapid.
 *  For example, if we want to get started using Spring and JPA for database access, just include the spring-boot-starter-data-jpa dependency in your project.

# 10.What is Spring Boot Actuator? #

*  Spring Boot provides actuator to monitor and manage our application.
 *  Actuator is a tool which has HTTP endpoints.
 *  when application is pushed to production, you can choose to manage and monitor your application using HTTP endpoints.