How to make class as Immutable
Senior Software Engineer Php Interview Questions
95,640 senior software engineer php interview questions shared by candidates
How many years of systems level programming experience do you have?
can you join in a week
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.
Given a string of words and a maxWidth, write a method that inserts new lines where appropriate to perform a word-wrap. (Wrap on word boundaries, assume " " is fine). Now, how does your implementation handle string with multiple spaces between words ... Are those extra spaces lost or preserved?
very basic RPN calculator question
How to make a global error class for Retrofit errors?
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?
Difference between process/thread, heap/stack. What is JIT?
1st phase 1st technical interview: Problem was that given a positive integer n print all distinct ordered sets of positive integer which have sum equal n. eg:- for n=2 output: { [1, 1] } for n=3 output: { [1, 1, 1], [1, 2], [2, 1] } for n=4 output: { [1, 1, 1, 1], [1, 1, 2], [1, 2, 1], [2, 1, 1], [2, 2], [1, 3], [3, 1] }
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