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In this video, I explain how to check whether a string is a palindrome using the Two Pointer technique in Java. We use two ...

Struggling with array and string problems in coding interviews? The Two-Pointer Technique is one of the most powerful and ...

In this video, I solve the LeetCode 3Sum Closest problem using Java. The solution uses sorting and the two-pointer technique to ...

In this video, we explain how to insert a node at the end of a Doubly Linked List step by step. You'll understand the node structure, ...

In this video, we explain how to insert a node at the beginning of a Doubly Linked List in a simple and structured way. You'll learn ...

Java intentionally eliminated user-level pointers during its design phase, a feature that distinguishes it from C/C++, where ...

Memory management is one of the most misunderstood topics in software engineering. In this video, I explain how memory ...

In this video, we explain how to delete the first node of a linked list in a simple and structured way. Learn how the head pointer is ...

In this video, we explain how to delete the first node of a Doubly Linked List step by step. You'll learn how to correctly update the ...

In this video, we explain how to traverse a linked list step by step to access and display all elements. Learn how pointers move ...

Object Oriented Programming (Source Code): https://github.com/sosumit001/OOP_IN_C OOP in C by implementing real Abstract ...

norton #ibm #1980s Peter Norton's “Inside The IBM PC” was essential reading for anyone who wanted to understabd how the PC ...

Binary search problems look easy… until they're not In this video, I walk through **LeetCode Question 34 – Find First and Last ...

In this video, I solve the LeetCode 3Sum problem using Java. The goal is to find all unique triplets in an array whose sum is zero.

In this video, we explain how to delete the last node of a Doubly Linked List step by step. You'll learn how to safely update the ...

ACCU Membership: https://tinyurl.com/ydnfkcyn --- Arithmetic in C++ Using Counting Pointers - Peter Hrenka - ACCU 2025 Short ...

Think you know Java basics? Try these 3 Java MCQs and test yourself ✓ Correct answers revealed at the end ❌ One ...

Java is a versatile and powerful programming language known for several key features. It is object-oriented, which means it ...

Given an array arr. The task is to find triplets in an array whose sum equals a given number k. Whether you're preparing for ...

DSA Brain Training Series by Shivam Shakya! → Sorted array diya hai, saare duplicates hatao (in-place) aur new length return ...