what is functional interface & what its annotation?
Senior Java Software Developer Interview Questions
430 senior java software developer interview questions shared by candidates
basic java questions internal working of Hashmap,Array list Linked List , Java 8 features , steam api, default method , oops etc Hibernate connections eager lazy , transactional property ... Spring bean type, DI , controller 2 coding question with medium level LeetCode difficulty
Write tree structure
The technical question was on the following topics: SQL: fundamental question with some questions about performance(a little bit hard). Spring/Java: average questions about spring framework and dependency injection.
No real problematic technical questions asked ... just the very general Java questions ...
How do you increase the performance of MySQL database?
What are the causes of memory leak?
How would you debug memory leak?
Questions from java about JVM, inner classes, access specifiers , exception handling, final, finalise keyword in java
extract substring from json string without using any library. encrypt/decrypt string by adding offset to characters
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