algorithm-datastructures

Algorithms and Data-structures in Java

How to implement Atomic Counters in DynamoDB for high throughput

Munish Chandel | July 28, 2018 at 10:00 AM | 192 views | algorithm-datastructures

A tutorial that implements Atomic Counters in DynamoDB for high throughput using Java API

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Implementing Adhaar Card Service using DynamoDB

Munish Chandel | July 26, 2018 at 10:27 PM | 62 views | algorithm-datastructures

Implementing Adhaar Card Service using DynamoDB

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Given a collection of 1 million integers, All ranging between 1 to 9, how would you sort them in Big O(n) time

Munish Chandel | July 16, 2018 at 09:31 AM | 109 views | algorithm-datastructures

This is a typical Integer Sorting problem with a constraint that the number range to sort is very limited in spite 1 million total entries. Integer Sorting with limited range is achieved efficiently with Bucket Sorting.

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Top 50 Java Interview Questions for Investment Banking Domain & HealthCare IT

Munish Chandel | March 14, 2018 at 03:26 PM | 283 views | algorithm-datastructures

Top 50 Java Interview Questions for Investment Banking Domain & HealthCare IT, java interview, investment banking domain, healthcare it, interview preparation, hibernate questions, spring questions, algorithms questions, fresher interview java

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Citibank Java Interview Questions

Munish Chandel | December 31, 2017 at 09:41 PM | 167 views | algorithm-datastructures

Frequently asked Java interview questions from Citibank in investment banking domain

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BlackRock Java Interview Questions

Munish Chandel | December 31, 2017 at 09:40 PM | 177 views | algorithm-datastructures

java interview questions, blackrock, black rock, banking domain questions, interview guide

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How would you count word frequency in a very large file. How to keep track of top 10 occurring words?

Munish Chandel | December 27, 2017 at 11:27 PM | 50 views | algorithm-datastructures

Please note that there are limited number of natural language words available and all of them can be easily fit into today's computer RAM. For example oxford English dictionary contains total of around 0.6 million words.

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What is volatile keyword in Java

Munish Chandel | December 25, 2017 at 09:49 AM | 62 views | algorithm-datastructures

The Java volatile keyword is used to mark a Java variable as "being stored in main memory". More precisely that means, that every read of a volatile variable will be read from the computer's main memory, and not from the CPU cache, and that every write to a volatile variable will be written to main memory, and not just to the CPU cache.

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What are different types of NoSql databases in general?

Munish Chandel | December 18, 2017 at 06:34 AM | 44 views | algorithm-datastructures

We will discuss Document Oriented DB vs Key value pair vs Graph DB in this post

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Java Topics covered in Investment Banking Intreviews (Morgan Stanley, Barclays, RBS, UBS, BlackRock)

Munish Chandel | December 16, 2017 at 11:55 AM | 85 views | algorithm-datastructures

Java Topics covered in Investment Banking Intreviews (Morgan Stanley, Barclays, RBS, UBS, BlackRock)

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