Interiew

OOP

Java Core

• Exceptions
• Equals, HashCode
• Collection, Maps
• Lambdas, Functional Interfaces, Lambda Expression, Method Reference
• Stream API
• Interfaces, Abstract classes, Default methods
• IO, Low and high level methods
• Enums
• Comaparator, Comparable
• Reflection API, Annotations
• Generics
• Functional Interfaces
• Garbage Collector
• ClassLoader

Spring Core

• Dependency Injection/Invertion of control
• Application Context
• Java config, XML config
• Qualifiers

JDBC/SQL

• Connection, Statement, Result Set
• Prepared statement
• Inner Join, Left join
• Group By

General Topics

• SOLID
• Design Patterns
• Build tools: dependency, scope
• Structure of jar file
• Structure of war file
• Monolith vs Microservices
• RESTful API

Web/Serlet API

• HTTP
• Servlet, Filter, Listener
• Request, Response, Cookies, Session
• GET, POST, PUT

Spring Web

• MVC
• Request mapping, request param, path variable
• Authorithation, Authentication

Questions