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Popular Articles (Last 30 Days)

1. Program to find Unique Array Element

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2. Snakes N Ladders | Java Program Implementation

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3. Immutable class with mutable member fields in Java

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4. Java Variables Interview Questions

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5. Sudoku Solver using Recursive Backtracking

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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)

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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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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

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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?

   6,441 views

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

   6,208 views

     
3. How to create Immutable Class in Java

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4. Breaking Singleton using reflection and Enum Singleton

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5. Preventing Cloning in Singleton Design Pattern

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6. Singleton Design Pattern Using Double Checked Locking

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7. Producer Consumer Design Pattern using BlockingQueue

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8. Producer Consumer Design Pattern

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9. Builder Design Pattern

   2,296 views

     
10. Mediator Design Pattern

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11. Serialization and Singleton Design Pattern

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12. Observer Design Pattern

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HTML (1)

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Java MultiThreading (11)

1. Hashtable vs SynchronizedMap vs ConcurrentHashMap

   17,948 views

     
2. CountDownLatch Vs CyclicBarrier | Java Concurrency Utilities

   7,559 views

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

   6,208 views

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

   4,080 views

     
5. Threadpool using Executor Framework | Java Concurrency Utilities

   3,298 views

     
6. Singleton Design Pattern Using Double Checked Locking

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7. Producer Consumer Design Pattern using BlockingQueue

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8. CountDownLatch in Java Concurrency Utilities

   2,501 views

     
9. CyclicBarrier | Java Concurrency Utilities

   2,382 views

     
10. InterruptedException in Java Multithreading

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11. Defining and Starting a Thread | Thread VS Runnable

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Javascript (1)

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Pumpkin Practice (9)

1. Snakes N Ladders | Java Program Implementation

   14,981 views

     
2. Tic Tac Toe | Java Program Implementation

   13,242 views

     
3. Program to find Unique Array Element

   9,248 views

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

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

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

   1,019 views

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

   921 views

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

   838 views

     

SQL (2)

1. View vs Materialized View | Oracle SQL

   1,823 views

     
2. UNION Vs UNION ALL | Oracle SQL

   1,543 views