java oops , logic questions
Developer Interview Questions
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How to would you find out whether a substring occurs in a given string?
''' We want to implement a feature to suggest to users the cheapest hotel that is more popular than the one they are looking at. Write a function that given an array of hotels, sorted by their popularity returns a map from the hotel ids that associates each hotel with the cheapest hotel that is more popular than the one in question. if there is no hotel that is cheaper and more popular than the one with that id, then it shouldn't be put in the map. You can assume that hotel ids and prices are integers and that hotels have the following format: struct hotel{ int id; int price; } Example 1: input = [ { id => 123, price => 200 }, # Most popular { id => 55, price => 150 }, # Second most popular { id => 17, price => 70 }, # Third most popular { id => 18, price => 500 }, # ... { id => 27, price => 270 }, { id => 101, price => 230 } # Least popular ] output = { 18 : 17, 27 : 17, 101 : 17 }
In the coding round they asked....take a string in the combination of capital letters, small letters and spaces.after execution it should produce o/p such as capitals at 1st, then spaces, then small letters.eg:- if input is abAB ab.then output should be AB abab.
Where do you see yourself in 5 years time (job title)?
Related to job title, Basic concepts of java & product related questions.
Tell me about yourself
Given a m*n matrix with values -1 or 1, try to flip the values in a given row and a given line efficiently.
How would you scale access to a system like Twitter
Runnable interface, Synchronization, ect
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