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.
Junior Java Software Engineer Interview Questions
30,865 junior java software engineer interview questions shared by candidates
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?
asked core java questions. If a method is overloaded in a class in the following way public void fun(Object o){ } public void fun(ArrayList a){ } and is invoked in the following manner obj.fun(null) which method will be invoked.
Types of IOC container
How to avoid deadlocks?
Why did you leave past organisations? Asked by this HCL Manager.
Can we use the final keyword with the constructor?
Can you store null as key or value in Hashmap
How would you add <div id="1"> hello </div> in jquerry.
is it possible to have a static class ?
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