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Java Springboot Interview preparation

Interview Preparation


JAVA

Spring boot - Rapid Application Development

@Configuration - Makes the class as a source for bean definition for the Application Context.

@ComponentScan - Tells spring to look for components, services, configurations


Proper Logging in Spring boot Applications

spring-boot-starter-logging :  dependency already available

spring-logback - is used most of the time

Logger levels(error, trace., info..)

logging.level.root=TRACE - can be set in application.properties

Logger logger = LoggerFactory.getLogger(sample.class)

logback-spring.xml 


Feature of spring Framework

Collection of jars and libraries

1. Lightweight
2. Non-Invasive 
3. IOC 
4. spring container - (creation of object, maintain the lifecycle and DI)
5. Intercepting the business logic using AOP
6. loosely coupled







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