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Popular Articles (Last 30 Days)

1. Tic Tac Toe | Java Program Implementation

   135 views

     
2. Program to find Unique Array Element

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3. Hashtable vs SynchronizedMap vs ConcurrentHashMap

   119 views

     
4. How is HashSet implemented internally in Java?

   115 views

     
5. Sudoku Solver using Recursive Backtracking

   89 views

     

All Articles

Algorithms (2)

1. N Queen Problem Using Recursive Backtracking

   12,100 views

     
2. Sudoku Solver using Recursive Backtracking

   8,666 views

     

Core Java (30)

1. Hashtable vs SynchronizedMap vs ConcurrentHashMap

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2. How is HashSet implemented internally in Java?

   7,018 views

     
3. CountDownLatch Vs CyclicBarrier | Java Concurrency Utilities

   6,627 views

     
4. How does HashMap work internally in Java?

   5,956 views

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

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6. Java Method Overriding Interview Questions

   5,360 views

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

   5,341 views

     
8. How to create Immutable Class in Java

   4,438 views

     
9. Wrapper Classes | Interview Questions

   3,464 views

     
10. Immutable class with mutable member fields in Java

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11. Private methods in Interface | Java 9

    3,008 views

      
12. Threadpool using Executor Framework | Java Concurrency Utilities

    2,993 views

      
13. Breaking Singleton using reflection and Enum Singleton

    2,968 views

      
14. Java Method Overloading Interview Questions

    2,907 views

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

    2,904 views

      
16. Preventing Cloning in Singleton Design Pattern

    2,814 views

      
17. Producer Consumer Design Pattern using BlockingQueue

    2,748 views

      
18. Singleton Design Pattern Using Double Checked Locking

    2,681 views

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

    2,593 views

      
20. CountDownLatch in Java Concurrency Utilities

    2,163 views

      
21. CyclicBarrier | Java Concurrency Utilities

    2,017 views

      
22. Marker Interface Interview Questions

    1,748 views

      
23. InterruptedException in Java Multithreading

    1,677 views

      
24. Performance Issue with HashSet RemoveAll() method

    1,544 views

      
25. Serialization and Singleton Design Pattern

    1,367 views

      
26. Defining and Starting a Thread | Thread VS Runnable

    1,217 views

      
27. Java 9 Features

    838 views

      
28. Java Variables Interview Questions

    369 views

      
29. JShell: The Java Shell and REPL | Java9

    288 views

      
30. Convenience Factory Methods for Collections | Java9

    252 views

      

Data Structure (4)

1. Stack Implementation Using Array

   1,629 views

     
2. Tree Data Structure Terminologies – Set 1

   800 views

     
3. Types of Binary Tree | Binary Tree Introduction

   770 views

     
4. Tree Data Structure Terminologies – Set 2

   488 views

     

Design Patterns (12)

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

   5,365 views

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

   5,341 views

     
3. How to create Immutable Class in Java

   4,438 views

     
4. Breaking Singleton using reflection and Enum Singleton

   2,968 views

     
5. Preventing Cloning in Singleton Design Pattern

   2,814 views

     
6. Producer Consumer Design Pattern using BlockingQueue

   2,748 views

     
7. Singleton Design Pattern Using Double Checked Locking

   2,681 views

     
8. Producer Consumer Design Pattern

   2,058 views

     
9. Builder Design Pattern

   2,020 views

     
10. Mediator Design Pattern

    1,794 views

      
11. Serialization and Singleton Design Pattern

    1,367 views

      
12. Observer Design Pattern

    1,354 views

      

Java MultiThreading (11)

1. Hashtable vs SynchronizedMap vs ConcurrentHashMap

   15,480 views

     
2. CountDownLatch Vs CyclicBarrier | Java Concurrency Utilities

   6,627 views

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

   5,365 views

     
4. Threadpool using Executor Framework | Java Concurrency Utilities

   2,993 views

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

   2,904 views

     
6. Producer Consumer Design Pattern using BlockingQueue

   2,748 views

     
7. Singleton Design Pattern Using Double Checked Locking

   2,681 views

     
8. CountDownLatch in Java Concurrency Utilities

   2,163 views

     
9. CyclicBarrier | Java Concurrency Utilities

   2,017 views

     
10. InterruptedException in Java Multithreading

    1,677 views

      
11. Defining and Starting a Thread | Thread VS Runnable

    1,217 views

      

Pumpkin Practice (8)

1. Snakes N Ladders | Java Program Implementation

   12,304 views

     
2. Tic Tac Toe | Java Program Implementation

   7,291 views

     
3. Program to find Unique Array Element

   6,292 views

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

   1,741 views

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

   1,252 views

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

   905 views

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

   819 views

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

   677 views

     

SQL (2)

1. UNION Vs UNION ALL | Oracle SQL

   1,257 views

     
2. View vs Materialized View | Oracle SQL

   1,201 views