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Popular Articles (Last 30 Days)

1. Tree Data Structure Terminologies – Set 1

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2. Sudoku Solver using Recursive Backtracking

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3. N Queen Problem Using Recursive Backtracking

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4. Types of Binary Tree | Binary Tree Introduction

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5. Program to find Unique Array Element

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Algorithms (3)

1. N Queen Problem Using Recursive Backtracking

   13,972 views

     
2. Sudoku Solver using Recursive Backtracking

   10,857 views

     

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

    2,150 views

      
23. Marker Interface Interview Questions

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24. Performance Issue with HashSet RemoveAll() method

    1,908 views

      
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

    1,078 views

      
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

   1,897 views

     
2. Types of Binary Tree | Binary Tree Introduction

   1,795 views

     
3. Tree Data Structure Terminologies – Set 1

   1,150 views

     
4. Tree Data Structure Terminologies – Set 2

   746 views

     

Design Patterns (13)

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

   6,389 views

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

   6,162 views

     
3. How to create Immutable Class in Java

   4,896 views

     
4. Breaking Singleton using reflection and Enum Singleton

   3,818 views

     
5. Preventing Cloning in Singleton Design Pattern

   3,706 views

     
6. Singleton Design Pattern Using Double Checked Locking

   3,253 views

     
7. Producer Consumer Design Pattern using BlockingQueue

   3,098 views

     
8. Producer Consumer Design Pattern

   2,550 views

     
9. Builder Design Pattern

   2,281 views

     
10. Mediator Design Pattern

    2,130 views

      
11. Serialization and Singleton Design Pattern

    1,839 views

      
12. Observer Design Pattern

    1,548 views

      

HTML (1)

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Java MultiThreading (11)

1. Hashtable vs SynchronizedMap vs ConcurrentHashMap

   17,783 views

     
2. CountDownLatch Vs CyclicBarrier | Java Concurrency Utilities

   7,526 views

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

   6,162 views

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

   3,984 views

     
5. Threadpool using Executor Framework | Java Concurrency Utilities

   3,286 views

     
6. Singleton Design Pattern Using Double Checked Locking

   3,253 views

     
7. Producer Consumer Design Pattern using BlockingQueue

   3,098 views

     
8. CountDownLatch in Java Concurrency Utilities

   2,484 views

     
9. CyclicBarrier | Java Concurrency Utilities

   2,357 views

     
10. InterruptedException in Java Multithreading

    2,150 views

      
11. Defining and Starting a Thread | Thread VS Runnable

    1,463 views

      

Javascript (1)

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Pumpkin Practice (9)

1. Snakes N Ladders | Java Program Implementation

   14,686 views

     
2. Tic Tac Toe | Java Program Implementation

   13,114 views

     
3. Program to find Unique Array Element

   8,989 views

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

   2,443 views

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

   1,884 views

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

   1,014 views

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

   898 views

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

   829 views

     

SQL (2)

1. View vs Materialized View | Oracle SQL

   1,797 views

     
2. UNION Vs UNION ALL | Oracle SQL

   1,527 views