HathSet vs TreeSet, HashMap vs LinkedHashMap, Hibernate entity lifecycle, Executor frameword, 3 coding problems (array, lamda function, sql queries)
Java Senior Interview Questions
6,025 java senior interview questions shared by candidates
Array list implementation, linked list reverse, remove duplicates from unsorted array without using collections
Basics and concept oriented questions and project oriented
Explain linked list and collection framework.
No technical question, as the person seemed to be from management & was interested in management kind of questions, In short waste of time.
System design interview for an employee benefits platform. Topics included: - employer onboarding - employee import - authentication/SSO, - bulk CSV handling, - Kafka/outbox notifications, - balance calculation, - transaction modeling, - idempotency, - merchant payments, - settlement
Java core, algorithms, previous experience
1.IOC container 2.Difference b/w @RestController &@Controller 3.HashMap working 4.DI 5.Synchronization 6.stashing 7. 3-coding questions
Explain the different types of garbage collectors available in the JVM and their use cases (e.g., G1, CMS, Parallel).
What are CompletableFutures in Java, and how do they enable asynchronous programming?
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