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Software Engineer Developer Interview Questions
3,281 software engineer developer interview questions shared by candidates
On the first interview session there were average Java questions, focused on multithreading and collections (How does HashMap work?). The assessment consisted on 2 problems, one was focused on efficiency, the other was focused on logic. On the last round, the technical interview was more complex, addressing subjects like Java memory.
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OOPs, Java, DBMS, SQL, JavaScript, Nodejs
Intro,in core Java main method relates questions and in SQL ,how we select 2000 rows at a time ,and all basic SQL quest,how much you rate your self in vij,stream api questions
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Good interview Lots of questions related to java, spring, dbms, etc
- Diff between StringBuffer and Builder - Answered - Immutability means? - Answered - gave me a code to check string in. paragraph - i did solve but in long way - there was a one liner. -Does HashMap have null key and what is the index - I answered but fumbled with the second part of question - i knew it was 0 - Default size of Hashmap - did not know at the time -one more code with arrraylist - i explained my logic did not write code as i thought thats what they are looking for the approach arraylist with random numbers - return a list which will have smalled number in zeroth index and max number in last index and the rest of the number sequence remains unchanged - used pointer approach and explained and it works - i came home and solved it as well. - Springboot: Bean scope - singleton - how to change - using @Scope annotation - which annotation to use when you want to make yur id o be unique in entity - @Id @GeneratedValue(Indentity) - this is what i answered - but he was not convinced. - http calls get, put, post, delete, patch diff between put and patch - what does 201 status code mean - i said success with but could not answer this - i checked success with creation of new resource 400 error - error from client what specific - he expected me to say bad request maybe i said the above line - 401 - unauthorized 404 - not found -difference between delete and truncate - answered with examples - and rollback difference possible in delete but not truncate.
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