First I was asked a few basic design questions, like how I would design an online chat system with separate room. Then I was asked why I've chosen some of of the technologies that I have worked with.I was asked a standard question about manipulating an array. The input array was sorted integers, and I was asked how to square all the elements and keep it sorted.
Given a root to a binary tree where each node holds an integer. Write a method that returns the sum of all the integers in the tree.
Given an array of values, how do you check if there is a combination of them that add up to an integer, n.
First Step includes Java proficiency test where candidate is required to do 2 tasks. First one involves coding for converting .dat file to .csv file. second includes debugging of the first assignment done by someone else and write an email addressing the issues. respond to client's complain about the implementation
I have superclass A and subclass B of superclass A. B overrides a function foo() in A. I have an instance of class B. How do I call foo() but using class A's version
Not difficult. It is like why can not compare two strings. And how to compare one object which initialed as a string with string. The coding quesition is to find the kth in two sorted arrays.
Asked to write a function to determine if numbers were a power of X.
Given a string input, create a function that will output a compressed version of the string. E.g. Input = "AAABBZZDDD", Output = "A3B2Z2D3"
write a function that receives a dictionary and a string and return true if the string is built of exactly two words in the dictionary
Difficult to answer in short and first time attempt.
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