Have you worked on CI/CD? Have you worked on Kafka? Which AWS services you have worked on? Have you written any tests?
Sr Java Developer Interview Questions
5,284 sr java developer interview questions shared by candidates
Explain Microservice Architecture.
What is Singleton & how to implement the same?
Implement queue using two stacks.
In technical interview, I am asked the questions below; 1. Code reviewing. how to write clean code. 2. methodology, agile, how do you implement agile, which tools do you employ, deployment process etc. 3. OOP questions (inheritance, IS A, HAS A etc.), SOLID principles 4. which design patterns did you implement before 5. some Java specific questions about heap, memory JVM etc. 6. Collections API. HashMap, importance of hashCode and equals methods, how hashmap put a new entry and gets it (buckets) 7. Coding challenge: Given a non-negative number represented as an array of digits, add 1 to the number ( increment the number represented by the digits ). The digits are stored such that the most significant digit is first element of array.
Sub topics for interviews: Core Java, Spring, SpringBoot, Design Patterns, Live coding, SOLID design principles, ACID properties, Use case based short design questions, AWS, Spring Cloud, REST API, etc.
Difference between coupling and cohesion, and asynchronous and synchronous method. They somehow did not clicked with me during interview. Also different approaches to the architecture of skype was also complex
Do you know how does HashSet work?
java list stream, SOLID (you should explain with detail), Design Pattern (they wanted to made one of them), experience of your business life.
Basic java questions and how to detect loop in a linked list .
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