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Popular Articles (Last 30 Days)

1. N Queen Problem Using Recursive Backtracking

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2. Tic Tac Toe | Java Program Implementation

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3. How is HashSet implemented internally in Java?

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4. Sudoku Solver using Recursive Backtracking

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5. What is the use of private constructor in java?

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Algorithms (3)

1. N Queen Problem Using Recursive Backtracking

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2. Sudoku Solver using Recursive Backtracking

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Core Java (30)

1. Hashtable vs SynchronizedMap vs ConcurrentHashMap

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2. How is HashSet implemented internally in Java?

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3. CountDownLatch Vs CyclicBarrier | Java Concurrency Utilities

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4. How does HashMap work internally in Java?

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5. What is the use of private constructor in java?

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6. Producer Consumer Design Pattern using wait() and notify()

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7. Java Method Overriding Interview Questions

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8. Immutable class with mutable member fields in Java

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9. How to create Immutable Class in Java

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10. Wrapper Classes | Interview Questions

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11. interrupt(), interrupted() and isInterrupted() in Java Multithreading

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12. Breaking Singleton using reflection and Enum Singleton

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13. Preventing Cloning in Singleton Design Pattern

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14. Java Method Overloading Interview Questions

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15. Threadpool using Executor Framework | Java Concurrency Utilities

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16. Singleton Design Pattern Using Double Checked Locking

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17. Private methods in Interface | Java 9

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18. Producer Consumer Design Pattern using BlockingQueue

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19. What is magic number CAFEBABE in java class file?

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20. CountDownLatch in Java Concurrency Utilities

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21. CyclicBarrier | Java Concurrency Utilities

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22. InterruptedException in Java Multithreading

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23. Marker Interface Interview Questions

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24. Performance Issue with HashSet RemoveAll() method

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25. Serialization and Singleton Design Pattern

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26. Defining and Starting a Thread | Thread VS Runnable

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27. Java Variables Interview Questions

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28. Java 9 Features

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29. JShell: The Java Shell and REPL | Java9

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30. Convenience Factory Methods for Collections | Java9

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Data Structure (4)

1. Stack Implementation Using Array

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2. Types of Binary Tree | Binary Tree Introduction

   1,778 views

     
3. Tree Data Structure Terminologies – Set 1

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4. Tree Data Structure Terminologies – Set 2

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Design Patterns (13)

1. What is the use of private constructor in java?

   6,365 views

     
2. Producer Consumer Design Pattern using wait() and notify()

   6,148 views

     
3. How to create Immutable Class in Java

   4,887 views

     
4. Breaking Singleton using reflection and Enum Singleton

   3,805 views

     
5. Preventing Cloning in Singleton Design Pattern

   3,695 views

     
6. Singleton Design Pattern Using Double Checked Locking

   3,242 views

     
7. Producer Consumer Design Pattern using BlockingQueue

   3,089 views

     
8. Producer Consumer Design Pattern

   2,542 views

     
9. Builder Design Pattern

   2,274 views

     
10. Mediator Design Pattern

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11. Serialization and Singleton Design Pattern

    1,829 views

      
12. Observer Design Pattern

    1,543 views

      

HTML (1)

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Java MultiThreading (11)

1. Hashtable vs SynchronizedMap vs ConcurrentHashMap

   17,741 views

     
2. CountDownLatch Vs CyclicBarrier | Java Concurrency Utilities

   7,512 views

     
3. Producer Consumer Design Pattern using wait() and notify()

   6,148 views

     
4. interrupt(), interrupted() and isInterrupted() in Java Multithreading

   3,960 views

     
5. Threadpool using Executor Framework | Java Concurrency Utilities

   3,281 views

     
6. Singleton Design Pattern Using Double Checked Locking

   3,242 views

     
7. Producer Consumer Design Pattern using BlockingQueue

   3,089 views

     
8. CountDownLatch in Java Concurrency Utilities

   2,477 views

     
9. CyclicBarrier | Java Concurrency Utilities

   2,351 views

     
10. InterruptedException in Java Multithreading

    2,137 views

      
11. Defining and Starting a Thread | Thread VS Runnable

    1,458 views

      

Javascript (1)

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Pumpkin Practice (9)

1. Snakes N Ladders | Java Program Implementation

   14,591 views

     
2. Tic Tac Toe | Java Program Implementation

   13,060 views

     
3. Program to find Unique Array Element

   8,952 views

     
4. Program to find nth digit of the series 3, 5, 6, 9, 10, 12, …

   2,433 views

     
5. Sudoku checker (By traversing each cell only once)

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6. Program to Check Whether a Number is Prime or Not

   1,010 views

     
7. Program to find number of set bits in the Binary number

   894 views

     
8. Program to check if a given number is power of two or not?

   824 views

     

SQL (2)

1. View vs Materialized View | Oracle SQL

   1,785 views

     
2. UNION Vs UNION ALL | Oracle SQL

   1,523 views