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What are the interview questions of springBoot? in view of this question, this article introduces the corresponding analysis and solution in detail, hoping to help more partners who want to solve this problem to find a more simple and feasible way.

Which is the core comment of Spring Boot? What are the main annotations it consists of?

The above annotation of the startup class is @ SpringBootApplication, which is also the core annotation of SpringBoot

The main combination contains the following three annotations:

For example, turn off the automatic configuration of data sources: @ SpringBootApplication (exclude = {DataSourceAutoConfiguration.class}).

@ SpringBootConfiguration: combines @ Configuration annotations to implement the function of configuration files.

@ EnableAutoConfiguration: turn on the auto-configuration feature, or turn off an auto-configuration option

@ ComponentScan:Spring component scan.

What is the principle of Spring Boot autoconfiguration?

Annotations @ EnableAutoConfiguration, @ Configuration, @ ConditionalOnClass are the core of automatic configuration.

First, it has to be a configuration file.

Secondly, it is automatically configured according to whether there is this class under the classpath.

How to understand Starters in Spring Boot?

Starters can be understood as an initiator, which contains a series of dependent packages that can be integrated into the application.

You can integrate Spring and other technologies in one stop without having to look around for sample code and dependency packages.

If you want to use Spring JPA to access the database, just add spring-boot-starter-data-jpa initiator dependency and you can use it.

Does Spring Boot run some specific code when it starts?

Https://blog.csdn.net/zl1zl2zl3/article/details/83715818

What are several ways for Spring Boot to read configurations?

Https://blog.csdn.net/zl1zl2zl3/article/details/83715873

What are the ways to achieve hot deployment with SpringBoot?

Https://blog.csdn.net/zl1zl2zl3/article/details/83716502

Detailed explanation of loading sequence of Spring Boot configuration

Https://blog.csdn.net/zl1zl2zl3/article/details/83716564

How does Spring Boot define multiple sets of different environment configurations?

Https://blog.csdn.net/zl1zl2zl3/article/details/83716663

Spring Boot is compatible with older Spring projects

Compatible, import the old Spring project configuration file using the @ ImportResource annotation.

What are the ways to protect Spring Boot applications?

Https://blog.csdn.net/zl1zl2zl3/article/details/83716770

What's new in Spring Boot 2.x? What's the difference between 1.X and 1.x?

Https://blog.csdn.net/zl1zl2zl3/article/details/83717586

The answers to the questions about the springBoot interview questions will be shared here. I hope the above content can be of some help to you. If you still have a lot of doubts to be solved, you can follow the industry information channel to learn more about it.

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