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Popular Articles (Last 30 Days)

1. N Queen Problem Using Recursive Backtracking

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

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3. Tic Tac Toe | Java Program Implementation

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4. Sudoku Solver using Recursive Backtracking

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5. Snakes N Ladders | Java Program Implementation

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Algorithms (3)

1. N Queen Problem Using Recursive Backtracking

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2. Sudoku Solver using Recursive Backtracking

   10,824 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

    3,968 views

      
12. Breaking Singleton using reflection and Enum Singleton

    3,810 views

      
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

    3,171 views

      
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

    1,070 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

   1,896 views

     
2. Types of Binary Tree | Binary Tree Introduction

   1,782 views

     
3. Tree Data Structure Terminologies – Set 1

   1,130 views

     
4. Tree Data Structure Terminologies – Set 2

   733 views

     

Design Patterns (13)

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

   6,379 views

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

   6,154 views

     
3. How to create Immutable Class in Java

   4,890 views

     
4. Breaking Singleton using reflection and Enum Singleton

   3,810 views

     
5. Preventing Cloning in Singleton Design Pattern

   3,701 views

     
6. Singleton Design Pattern Using Double Checked Locking

   3,247 views

     
7. Producer Consumer Design Pattern using BlockingQueue

   3,092 views

     
8. Producer Consumer Design Pattern

   2,546 views

     
9. Builder Design Pattern

   2,278 views

     
10. Mediator Design Pattern

    2,127 views

      
11. Serialization and Singleton Design Pattern

    1,833 views

      
12. Observer Design Pattern

    1,544 views

      

HTML (1)

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Java MultiThreading (11)

1. Hashtable vs SynchronizedMap vs ConcurrentHashMap

   17,753 views

     
2. CountDownLatch Vs CyclicBarrier | Java Concurrency Utilities

   7,520 views

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

   6,154 views

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

   3,968 views

     
5. Threadpool using Executor Framework | Java Concurrency Utilities

   3,283 views

     
6. Singleton Design Pattern Using Double Checked Locking

   3,247 views

     
7. Producer Consumer Design Pattern using BlockingQueue

   3,092 views

     
8. CountDownLatch in Java Concurrency Utilities

   2,480 views

     
9. CyclicBarrier | Java Concurrency Utilities

   2,354 views

     
10. InterruptedException in Java Multithreading

    2,143 views

      
11. Defining and Starting a Thread | Thread VS Runnable

    1,461 views

      

Javascript (1)

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Pumpkin Practice (9)

1. Snakes N Ladders | Java Program Implementation

   14,604 views

     
2. Tic Tac Toe | Java Program Implementation

   13,085 views

     
3. Program to find Unique Array Element

   8,966 views

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

   2,438 views

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

   1,877 views

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

   1,013 views

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

   896 views

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

   825 views

     

SQL (2)

1. View vs Materialized View | Oracle SQL

   1,791 views

     
2. UNION Vs UNION ALL | Oracle SQL

   1,525 views