30-Spring Boot Feature Introduction

Question 1

What does take an “opinionated” view of the Spring platform and third-party libraries

Answer 1

Spring Boot

Question 2

Is Spring Boot a code generator?

Answer 2

It is NOT
+ A code generator
+ An IDE plug-in

Question 3

Modern Java applications require a large number of dependencies - How do you make sure they are compatible?

Answer 3

Spring Boot’s parent or Starters

Question 4

How to fine-grain dependencies in a Spring Boot app?

Answer 4

1. Exclude dependencies you do not use

2. Define the dependencies explicitly yourself - find the correct version from the Starters

Question 5

Is SpringApplication a Spring Framework or Spring Boot class?

Answer 5

Spring Boot class

Question 6

What does SpringBootApplication include?

Answer 6

@SpringBootConfiguration
@EnableAutoConfiguration
@ComponentScan

Question 7

How to start a test with Spring boot?

Answer 7

@SpringBootTest

Question 8

What is STS?

Answer 8

Spring Tool Suite, an IDE built on Eclipse

Question 9

What are runners supported in Spring boot?

Answer 9

ApplicationRunner and CommandLineRunner

Question 10

ApplicationRunner vs. CommandLineRunner

Answer 10

ApplicationRunner.run(ApplicationArguments): can use ApplicationArguments to get/check arguments
CommandLineRunner.run(String[])

Question 11

When do ApplicationRunner, CommandLineRunner run?

Answer 11

will get execute, just after application context is created and before spring boot application starts up