Below are the interview questions they asked me:- 1. Differences between comparable and comparator 2. Difference between @componenet and @bean 3.what is criteria API in hibernate? 4. questions on stream,lamda expressions and SAM interfaces 5. Default method in interface Can we use class variable in Lamda expression? 6. Differences between Spring MVC and Springboot 7. Wirting sql having duplicate enteries, max salary 8. Programming questions 9. Advantages of SAM interfaces.
how does jvm garbage collector work
how does hashmap work
About java basics and solid principles
Questions were asked from Java - OOPS, Exception handling, multithreading, collection etc. Spring/Spring boot basics and Project related questions.
What is the big O notation of breadth-first search
2nd round was more detailed round asked about one of my older project and designing various microservices. design patterns and writing code for proxy design pattern. indexing concept in DB and write code for implementing your own indexing. writing CURD operation using Rest. Alternative of hashmap. spring question like of two beans are of same type then how to resolve it etc. real-time example of various designs Patterns implemented in Java or spring
What is oops concept ,what is lambda function
There are technical questions about the Java language and white board exercises.
Salary expectations, years of experience
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