Intro
https://microservices.io/ https://javabrains.io/topics/ https://www.youtube.com/channel/UCYt1sfh5464XaDBH0oH_o7Q Microservices is mainly for Continous Delivery annotation is part of a compilation. Sprint boot is a wrapper on Spring Spring is a framework EJB is a specification hibernate(RedHat) is not std so jpa came(specification) the container is a pre-written program provides below feature 1.life cycle management 2.declarative services(txn,security,cache ,logging,exception handling etc) pattern used proxy 3.Distribute env or remoting (Protocols) Lightweight means small life cycle IOC,DI(Dependency Injection) & AOP(pointcut) Spring Life cycle comes with 8 steps Instantiate populate propertie beanname awares setbeanName() Bean FactoryAwares's setBeanFactory() Pre-initialization Bean Post processors InitializingBeans afterPropertiesSet() Call custom init-methos post initialization beanpostprocessors 1,2,3,5,6,7 are bean specific 6...