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1. Wrapper Classes | Interview Questions

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4. Tree Data Structure Terminologies – Set 1

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Algorithms (3)

1. N Queen Problem Using Recursive Backtracking

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Core Java (30)

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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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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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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?

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

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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

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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

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2. CountDownLatch Vs CyclicBarrier | Java Concurrency Utilities

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

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

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5. Threadpool using Executor Framework | Java Concurrency Utilities

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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. CountDownLatch in Java Concurrency Utilities

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9. CyclicBarrier | Java Concurrency Utilities

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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

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2. Tic Tac Toe | Java Program Implementation

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3. Program to find Unique Array Element

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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

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

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

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SQL (2)

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2. UNION Vs UNION ALL | Oracle SQL

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