Java Basics, Spring basics, --can we extend annotation in boot spring --Default method in interface --Kafka --Docker --eureka service discovery --feign client --Rest API methods --Spring Security --Http Spring class --How will you restrict certain urls --Mockito annotations – @Mock, @Spy, @Captor, @InjectMocks --TDD approach --Design patterns
Normal Java Questions, SQL
Mostly questions were output based where every ques had compile time error and run time error options.
What is immutability in Java. Explain java oops concepts. Write a program to print duplicate integers from the list using streams. Explain current project structure etc.
Preguntas generales de java Microservicios Bases de datos relacionales y no relacionales, experiencia adquirida, tecnologias manejadas
How do you upskill ?
Use a sample Interface provided and create a class that Implements this Interface
Pretty basic things. Mostly memorized theoretical questions. If you memorized this topics you will probably pass the interview: Java interview questions. Spring interview questions. Hibernate interview questions. Java 8 > new features. SOLID, Design patterns. Agile, Microservice, unit testing. I didn't like their interview because They didn't ask any data structure or time complexity. They didn't focus on system design They focused on Spring annotations. Bean scope, bean lifecycle etc. Which is not good sign for me.
Round 1 - Telephonic 1.1 What's new with Interfaces in Java 8? 1.2 Immutable classes and Singleton design pattern - Lazy and early initialization 1.3 Logical questions on Abstract class and Interface 1.4 Reflection API in Java Round 2 - Skype 2.1 Questions on actual work experience 2.2 Share screen, open IDE and write a program which implements LRU cache without using LinkedHashMap.
Java, Springboot, Microservices, Database, JPA and REST API
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