Spring Boot

Question 1

What are some important features of using spring boot?

Answer 1

1. Starter dependency: this feature aggregates common dependencies together.
2. Auto-configuration
3. Spring initializer: project setup
4. Spring actuator: insights of a running spring boot application. Find out which beans are created in Springs app context and which request path are mapped to controllers
5. spring CLI

Question 2

What is auto-configuration in spring boot?

Answer 2

configures a lot of things based upon what is present in the classpath

• its disabled by default, you need to use either @SpringBootApplication or @EnableAutoConfiguration

Question 3

What is the difference between @SpringBootApplication and @EnableAutoConfiguration?

Answer 3

@EnableAutoConfiguration is used to enable auto-configuration but @SpringBootApplication does a lot more than that, it also combines @Configuration(declared one or more bean methods and may be processed by spring container) and @ComponentScan

Question 4

Where do you define properties in Spring Boot application?

Answer 4

you can define both application and spring boot related properties into a file called application.properties