Program to reverse a string
Java Engineer Interview Questions
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Can you run java program without having JDK...?
Design patterns
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
Sum Array Puzzle Anagram find substring in particular string (All programs with a minimum complexity)
Where would you apply the proxy design pattern?
ecrire la premiere ligne d'un fichier xml
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.
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