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Proactive in Big Data Solutions

Harshit Jain

Harshit Jain

  • Java
    • Trapping Rain Water between Towers
    • JVM Architecture – Understanding JVM Internals
    • Memory Management In Java – Stack And Heap
    • Idempotent REST APIs
    • Minimum Absolute Difference Between Any Two Elements Of An Array
    • How To Find Type, Total Space, Free Space And Usable Space Of All Drives In Java?
    • Memoization in java
    • Writing Java 7 functions in Lambda form:
    • Disjoint a connected Graph by removing minimum edges.
    • Solid Principles in Java:
    • Java 8 Streams
    • Multithreading Interview Question & Answers
    • Core Java Tricky Interview Questions
    • Difference-between-shallow-copy-vs-deep-copy-in-java/
    • Various Forms of SimpleDateFormat
    • Double Brace Initialization
    • Best Practise to Override Equals Method of Object Class
    • Random Number with Seed
    • Java String intern()
    • String Pool Constant
    • JVM: Does the 32-Bit JVM or 64-Bit JVM Decision Matter Anymore?
    • Print Odd And Even Numbers By Two Threads In Java
    • Configuration to Create Java Project Jar with Dependencies
    • Java SynchronousQueue Examples
    • Solving Real Time Queries Using Java 8 Features -Employee Management System
    • Java 8 Collectors Tutorial
    • Java is Pass by Value and Not Pass by Reference
    • Simple Deadlock Program in Java
    • Best Time to Buy and Sell Stock
    • Find Moving Average of Last N numbers in a Stream.
    • Authentication and Authorization in Microservices
  • Scala
    • Scala : Get Start with
    • Implicit keyword in SCALA:
    • Closures in Scala
    • Currying Functions in Scala
    • Basic Scala Interview Questions and Answers
    • Intermediate Scala Interview Questions and Answers
    • Null, null, Nil, Nothing, None, and Unit in Scala
  • Spark
    • Spark Performance Tuning
    • Big Data File Formats
    • A comparison between RDD, DataFrame and Dataset in Spark
    • groupByKey vs reduceByKey vs aggregateByKey in Apache Spark/Scala
    • Pivot and Unpivot a Spark DataFrame
    • Spark SQL functions lit() and typedLit()
    • Spark Word Count Example Using Hadoop as File Store
  • Sorting
    • Bubble Sort
    • Selection Sort
    • Insertion Sort
    • Merge Sort
    • Quick Sort
    • Sorting
    • Big O Notation and Time Complexity of Algorithm
    • RADIX SORT
    • Heap Sort
  • SQL
    • SQL Indexing
    • PostgreSQL: How To Delete Duplicate Rows in PostgreSQL
    • PostgreSQL: Common Table Expressions or CTEs:
    • PostgreSQL: Compare Two Tables in PostgreSQL
    • PostgreSQL: Self-Join:
    • PostgreSQL: How to Generate a Random Number in a Range
    • PostgreSQL: NULLIF function:
    • PostgreSQL: COALESCE function:

Multithreading Interview Question & Answers

May 19, 2019July 17, 2019 by HARHSIT JAIN, posted in JAVA, Multithreading

Multithreading Interview Question & Answers

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Disjoint a connected Graph by removing minimum edges.

May 19, 2019July 17, 2019 by HARHSIT JAIN, posted in Data Structures, Graph, JAVA

Disjoint a Connected Graph

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Java 8 Streams

May 18, 2019July 17, 2019 by HARHSIT JAIN, posted in JAVA 8, Streams

Java 8 Streams API

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Writing Java 7 functions in Lambda form:

May 18, 2019July 16, 2019 by HARHSIT JAIN, posted in JAVA, Lambda

Writing Java 7 functions in Lambda form

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Solid Principles in Java:

May 18, 2019July 16, 2019 by HARHSIT JAIN, posted in JAVA

Solid Principles

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Recent Posts

  • Java 8 interview questions & answers January 16, 2022
  • SPARK: Coalesce VS Repartition October 15, 2019
  • Pivot and Unpivot a Spark DataFrame September 27, 2019
  • Spark SQL functions lit() and typedLit() September 26, 2019
  • Spark Performance Tuning September 10, 2019

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Java & Big Data Interview Notes

Java & Big Data Interview Notes

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