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Popular Articles (Last 30 Days)

1. Sudoku Solver using Recursive Backtracking

   90 views

     
2. Program to find Unique Array Element

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3. Hashtable vs SynchronizedMap vs ConcurrentHashMap

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4. Snakes N Ladders | Java Program Implementation

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5. Tic Tac Toe | 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

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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

    2,156 views

      
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

    1,145 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

   1,905 views

     
2. Types of Binary Tree | Binary Tree Introduction

   1,818 views

     
3. Tree Data Structure Terminologies – Set 1

   1,167 views

     
4. Tree Data Structure Terminologies – Set 2

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Design Patterns (13)

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

   6,412 views

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

   6,177 views

     
3. How to create Immutable Class in Java

   4,906 views

     
4. Breaking Singleton using reflection and Enum Singleton

   3,843 views

     
5. Preventing Cloning in Singleton Design Pattern

   3,731 views

     
6. Singleton Design Pattern Using Double Checked Locking

   3,272 views

     
7. Producer Consumer Design Pattern using BlockingQueue

   3,104 views

     
8. Producer Consumer Design Pattern

   2,566 views

     
9. Builder Design Pattern

   2,288 views

     
10. Mediator Design Pattern

    2,145 views

      
11. Serialization and Singleton Design Pattern

    1,869 views

      
12. Observer Design Pattern

    1,559 views

      

HTML (1)

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Java MultiThreading (11)

1. Hashtable vs SynchronizedMap vs ConcurrentHashMap

   17,872 views

     
2. CountDownLatch Vs CyclicBarrier | Java Concurrency Utilities

   7,536 views

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

   6,177 views

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

   4,013 views

     
5. Threadpool using Executor Framework | Java Concurrency Utilities

   3,289 views

     
6. Singleton Design Pattern Using Double Checked Locking

   3,272 views

     
7. Producer Consumer Design Pattern using BlockingQueue

   3,104 views

     
8. CountDownLatch in Java Concurrency Utilities

   2,491 views

     
9. CyclicBarrier | Java Concurrency Utilities

   2,368 views

     
10. InterruptedException in Java Multithreading

    2,156 views

      
11. Defining and Starting a Thread | Thread VS Runnable

    1,466 views

      

Javascript (1)

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Pumpkin Practice (9)

1. Snakes N Ladders | Java Program Implementation

   14,764 views

     
2. Tic Tac Toe | Java Program Implementation

   13,189 views

     
3. Program to find Unique Array Element

   9,078 views

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

   2,463 views

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

   1,911 views

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

   1,016 views

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

   906 views

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

   830 views

     

SQL (2)

1. View vs Materialized View | Oracle SQL

   1,809 views

     
2. UNION Vs UNION ALL | Oracle SQL

   1,534 views