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Senior Java Engineer Interview Questions
604 senior java engineer interview questions shared by candidates
java
What if some records fail?
1. quick , merge sort 2. hibernate caching 3. sessionfactory vs session 4. Spring DI, constructor vs setter DI, which is better 5. exception vs error 6. runtime vs comile time error, need 7. classDefException vs noClassfoundExcption ,which 1 occurs at compile time,how to avoid compile excption 8. arraylist vs linkedList 9. hashset 10. datastructure for hashset n arraylist 11. internal working of hashset 12. Employee e =new employee(); Employee e1= e; e == null; syso(e1) ?
What is CI/CD and why use it?
What is CI/CD and why use it?
google hangout S: - organization overview - coding on google doc on-site A: - build a smart elevator (one of the google's interview question); code on whiteboard - how to measure one ft given three ft long, with a nice 'castaway' story L: - questions on features in the tools like yourkit, profiling & java tools H: - explain your project and some questions along the way P: - questions on java web app features that are pretty much taken care by an ide / api doc N: - total count of processes that has these functions: right,left,sendright(msg),sendleft(msg) T: - here you'd get the high level picture what company does and will do; how they do compared to the competition - time for your questions
Design instagram clone system and calculate some numbers.
Game: Initially starting with 1 Two Steps 1.Increment the number by 1, x = x + 1 2.Double the number , x = x * 2 Step 2 can be used atmost maxStepTwoTimes Find the minimum number of steps to reach a number N Example N=19 maxStepTwoTimes=2 Increment 1 ,3 times ,result into 4 Double 4 ,becomes 8 Increment by 1, becomes 9 Double 9 ,becomes 18 Increment by 1 , becomes 19 total Steps 7 NOTE: This is almost same as "Number Line Jumps" in hanckerrank. I wrote code , initially it has some bugs. I modified it .But he is not satisified with my code.
-describe Spring MVC mechanism -how Spring REST finds out which controller to invoke -how to scale application, DB -how Hibernate works -what is problem with try-catch block
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