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Senior Interview Questions
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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?
Describe how you deal with difficult personalities and bring them around to your approach.
Onsite - 1. You have a computer with seven core cpu, you have a file and you have to read each line of the file, check if it has the word UPS in it, if so , then write it to a file, if there is no word as UPS in it, write that line to a different file. 2. An amount will be given as input. The amount will have some cents in change. So, for example $29.90. For the change, you have to start using the highest denomination and go to the lowest until the change value is completely met.
people management related
What was your most successful failure?
Phone screening - It was just typical interview questions like - Why Deloitte, Have you worked in Change Management, Strentgths, Weakness, Ability to travel and pay package expectations. It was a good friendly discussion Senior Manager Interview - The Senior manager was very friendly and asked me indepth questions about my work experience, my favourite two projects I worked on, how I managed stress, How i dealt with difficult people, have I ever managed teams, Open to travelling etc Assesment Centre- There was a room filled with about 8 candidates, First task was to summarise a 10 page client document to present to Deloitte CEO as one page, second was interview with director to present a 10 minute presentation on case study (given one hour to prepare), next was partner interview where indepth questions about my work were asked and finally group discussion (about one hour)
How to make class as Immutable
You have 2 sand glass. 1 shows 7 minutes and other shows 11 minutes. You have an egg which needs to be boiled exactly for 15 minutes on a stove. How will you do it.
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