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Java Software Engineer Interview Questions
3,072 java software engineer interview questions shared by candidates
What is the most challenging project that you have worked on? , give me some architecture/technologies frameworks/cloud details
1. HashMap, hashtable differ 2. Exceptions and types of exceptions 3. Internal working of hashmap and HashSet 4. collection used to remove/doesn't allow duplicates 5. What is a concurrent hashmap 6. Db query to write an inner join 7. Stream, lambda expressions query 8. What is an interface 9. What is a lambda expression 10. What is the stored procedure 11. Can we have catch() without try 12. can we have try without catch 13. Some db, stream API questions are also asked 14. Some aptitude questions
abstract class vs interface
to print the series of missing numbers in array from 0-99. it should be like, 0-2 , 4-9, 11-76 , 78-99 for array like [3,10,77]
What is the ApplicationContext in Spring Boot?
How should tests be written?
logical questions, Java core, coding and code rewiew
Core Java Interview questions, Multithreading, Collection, OOPS Spring Boot and Spring MVC related questions
how the hashmap works internally
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