Can integer factorization be done in polynomial time on a classical computer?
Senior Software Engineer Senior Java Developer Interview Questions
5,558 senior software engineer senior java developer interview questions shared by candidates
The architects are primarily looking for candidates to explain how to modernize their legacy system.
HR round : The Hr guy was interested in knowing what I know about the company and Why I want to join them.
Why did you leave past organisations? Asked by this HCL Manager.
First Round - Working of Hashmap, ArrayList Linked List, Java Basic questions Second Round - Coding Exercise - implement SecurityDataServices - Objective 1 1) SecurityServiceImpl - methods a)addSecurity(Security s) b)recordTick(long secID, Tick t), c)getPrice(Security s) d) getHistoricalPrice(Security S, TimeStamp asOfNow) 2)SecurityImpl - methods 1) getSecId() 2)getListTicks() 3)getCurrentPrice() 4)recordTick() 3) Tick Impl - methods 1) getPrice(), 2) getTimeStamp() Implement all these classes in 1.5 hr, Use multithreading, I used ConcurrentHashMap and CopyonwriteArraylist use atomic operations like putifAbsent() CodeReview questions - explain the flow of written code, explain java locks, write it using lambda expression, rewrite the code using locks 3rd round - behavioural questions - why do you want to join Sapient? extra activities apart from work? any technology that you follow?
Write an API for a phonebook service where the answer time (search name by the phone number) does not depend on the size of the phonebook.
What is faster for reading in Java ArrayList or HashMap and why?
How hashmap works internally, how to find hash collission is occured.
About the project structure
what was oops inhertance and overloading
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