find the first non repititive character in a string? Write a rest webservice where you have to save the employee details. how can you not implement all methods in an interface. how to implememt thread ? some tricky questions related to exceptional handling about spring annotaions and ORM questions
medium leetcode question about string and array
Explain the difference between ArrayList and LinkedList. When would you use one over the other? What is the difference between == and equals() in Java? Explain the difference between synchronized and volatile keywords.
Some normal coding question was given, can't recall the question. And few normal Java questions were asked.
Guaranteed deadlock, implement remove method in LinkedList
- how hashmap works - design cash machine - some elementary java questions
Java core
Describe scopes of Spring bean
Questions on Spring and Hibernate basics, and few java basic questions. coding round included string manipulation
Tell me about 3 design patterns that you know/used and describe them.
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