T.I.L_220801

What’s New for Today

1. Java Spring Framework
   • recap
     • Spring Exception Handling
       • apply unchecked Exception
       • seperate specific error occasion using error code
       • Spring Exception Translator
         • change concrete based exception to spring based exception
       • JDBC Template
2. JPA Recap
   • Relational Mapping
   • OneToMany
   • OneToOne
   • ManyToMany
   • need considerations for every business logic
     • there are no perfect answers.
     • need to relate what macthes best with your business logic
3. Spring Boot + AWS Webservice
   • Intellij Settings
   • Spring Boot/Lombok/Spring-Data Jpa
   • domain
     • repository
     • sevice
   • web
     • controller -dtos