Types of IOC container
Java Developer Interview Questions
30,844 java developer interview questions shared by candidates
Design patterns
Sum Array Puzzle Anagram find substring in particular string (All programs with a minimum complexity)
Factory design pattern
Where would you apply the proxy design pattern?
ecrire la premiere ligne d'un fichier xml
is it possible to have a static class ?
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.
About myself and then technical questions
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?
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