Programming Tutorials

Majority Element in Array | Find the Majority Element that occurs more than N/2 Times

Ransom Note LeetCode | Ransom LeetCode Solution Java | LeetCode 383

Happy Number LeetCode | Java Code | Programming Tutorials

C, C++ Program to Check Whether an Input Number is a Perfect Square or not

Subarray with Given Sum | Non Negative Numbers | Programming Tutorials

Sort a Stack | Recursion | Programming Tutorials

Find the Length of Longest Increasing Subarray

Contiguous Array LeetCode | Java | Largest Subarray with Equal Number of 0s and 1s | LeetCode 525

K Closest Points to Origin | LeetCode 973 | Amazon

Remove Duplicates from Sorted Linked List

Smallest Subarray with Sum Greater than or Equal to K (Target) | Sliding Window

Symmetric Tree (Mirror Image of itself or not) | Iterative & Recursive Solution

Majority Element II | LeetCode 229 | Majority Element (Greater than N/3 Times)

Odd Even Linked List | Segregate Even and Odd Nodes in a Linked List | Java Code

Check Whether a Number is Even or Odd number - C, C++ Code

Convert Decimal Number to Binary - Java Code

Minimum Path Sum (LeetCode Day 18 Question) | Programming Tutorials

Binary Search Program in Java

Search a 2d Matrix | Search in a Row wise and Column wise Sorted Matrix | Binary Search

Merge Overlapping Intervals | Programming Tutorials

Find All Factors/Divisors of a Number - Java Code

Implement Queue using Two Stacks - Java Code & Algorithm

Java Program to Find First Non-repeated Character in a String

Java Integer Cache | Interview Question | Programming Tutorials

Detect Loop/Cycle in a Linked List

Find the Duplicate Number in an Array Without using Extra Space/Memory

Primitive Vs Reference Data Type | Difference between Primitive and Non-Primitive Data Types in Java

Java Program to Count Number of Digits in a Number

Comparable vs Comparator | Java Interview Questions

Interface Segregation Principle | SOLID Principles | Java Code

Serialize and Deserialize BST | Serialize and Deserialize Binary Search Tree | LeetCode 449

Valid Palindrome II | Remove a Character From a String to Make it a Palindrome

Single Responsibility Principle | SOLID Principles

Reverse a String in Java | Reverse String LeetCode Solution

C, C++ Program to Find Second Largest Number in an Array

Find All Anagrams in a String Java | Find All Anagrams in a String LeetCode Java | Sliding Window

Java Program to Find Duplicate Elements in an Array

Next Greater Element in Circular Array | Next Greater Element II | Programming Tutorials

Java Program to Remove Duplicate Elements from Sorted Array

Java Deque | Deque Interface in Java with Example | ArrayDeque

Print Duplicate Elements in Array - Java Code

Java Program to Print Triangle Pattern of Numbers in Reverse Order

Java Program to Print Fibonacci Series upto N Numbers

Java Program to Reverse each Word of a String

Java Program to Print Factorial of a Number using Recursion

Find Sum of Digits of a Number using Recursion in Java

C++ Program to Reverse a number

Permutation in String LeetCode | Permutation in String Java | LeetCode 567

Open Closed Principle | Code Example | SOLID Principles

Reverse a String - Java Code with Explanation

Implement LRU Cache | Implement LRU Cache using HashMap & Doubly Linked List | Programming Tutorials