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Sr Java Developer Interview Questions
5,288 sr java developer interview questions shared by candidates
Questions which doesn't belong to your skills set
In the telephonic round, the interviewer asked Java/OOPS questions like singleton class, immutable class, the internal working of HashMap etc. In second round i.e. HackerRank test 1 question was to add Spring annotations 2 Java programming 1 Javascript programming
What is the MVC model, Singleton class, Polymorphism and Abstraction, HashMaps, String/StringBuffer/StringBuilder, protected-private-public access modifiers and pretty much every general thing related to Java
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
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