TR- 1 (Min Steps to Make a String Palindrome) (Min Jumps to reach the end) Some questions from OS, OOP and DBMS TR- 2 (Java and OOPS Based Questions Garbage Collection how it's done in Java which algorithm is used, what is Aggregation, Composition. Write a Code to for n'th Fibonacci in O(n) time and O(1) Space. Rubix Cube (Tell Approach, Data Structure Used, Algorithmic Paradigm, and Time Complexity) Design DB of Instagram (Write Queries for the Same)
One of the key questions they asked was about optimizing performance in an iOS application.
sql query
Given a Linux environment, make sure you can spin up a server over the command line.
Technical Challenge Portion of Interview
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1. You will be given two end points with two API's a. response: [ { "product_uid": "6447344", "unit_price": 15.63, "unit_price_measure": "kg", "unit_price_measure_amount": 1 }, b. response from another API: [ { "product_uid": "6447344", "product_type": "BASIC", "name": "Sainsbury's Skin on ASC Scottish Salmon Fillets x2 240g", "full_url": "https://www.sainsburys.co.uk/gol-ui/product/sainsburys-responsibly-sourced-scottish-salmon-fillet-x2-240g" }, Task is: now you will have to get the response from these API's and map the response which is present in their requirement section. There is may be some calculations involved in it. 10 test cases pre generated, all must be passed. Important: you will need to write your own test cases ( which i failed due to lack of time because of terrible IDE from hackajob platform ) Overall the task was alright but writing in their IDE without auto formatting tools and behaviour of IDE is not similar to regular IDE's, I would say i would have done better if its in my local IDE. - Disappointed
Find max value of a couple of streams only using stream API without collecting the data to any structure.
Push all the 0s to the end of an array. Find all the subarrays that add up to a given target and return the list of subarrays.
a lot of different technical questions relating pega and more
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