"What is class", or other simple ones. Coding challenge about using spring cache, but was based only on adding annotations
Software Engineer Java Interview Questions
4,203 software engineer java interview questions shared by candidates
In every interview process: why you wanna join Picnic?
Generics (Sets, Lists, Maps, Trees), Threads, Iterators
concurrent collections, executor framework in multithreading, diff annotation in spring boot, one to one and one to many mapping practical example.
I could not attend the interview
Core Java-Collections, Serialization, Multi-threading, OOPS concepts, SOLID Principles, Design Pattern with implementation, Spring Boot, JPA, HIbernate, SQL queries, AWS Services- Lambda, Fargate, Docker, Kubernatives, S3 configuration. Coding - Arrays, Strings, LinkedList Java Stream lambda for custom class
Do you know what ACID means?
1. What is static in public static void main 2. Why java program starts from main' 3. Checked and Unchecked exceptions with examples 4. Custom exception handling 5. Java 8 features : Optional class, functional interface 6. OOPS concepts 7. method overloading and over ridding 8. When is overriding used 9. Unreachable catch block 10. Why is string immutable 11. Difference between string Builder and Buffer 12. what are the components in @springBootApplication 13. Agile methodology 14. Design patterns 15. What does static keyword do 16. Can static methods be overloaded 17. valueOf() Some logic based coding Questions on previous projects
If you are applying for Java developer position then you must know about stream api, map and collections.
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