DSA #17 | Arrays & Strings | String Basics Explained - Operations, Immutability

DSA Phase-2 Arrays and Strings tutorial focusing on String Basics. In this video you will learn what a string is, how indexing and traversal work, and common string operations used in programming. We will also explain the immutability concept of strings, discuss the interview mindset for string problems, and assign today’s practice tasks. Topics covered in this video: --What is a string --Indexing and traversal in strings --Common string operations --String immutability concept --Interview mindset for string problems --Common pitfalls and best practices --Today’s practice task This video is useful for DSA beginners, students, freshers, and interview preparation. ## TODAY’S PRACTICE 1. Traverse string `"Interview"` 2. Convert `"hello"` to `"HELLO"` 3. Extract `"Script"` from `"JavaScript"` 4. Comment: **“Day 22 Done”** ⏱️ Key Video Timestamps :- 00:00 – Introduction & agenda 00:45 – What is a String? 02:10 – Indexing & Traversal 04:00 – Common String Operations 06:15 – String Immutability 10:20 – Today’s Practice Task & Next Steps ⚙️ Tech Used and Code JavaScript, VS Code and Terminal 👉 *GitHub Code Link* - https://github.com/mohitdjcet/nextJS-Tutorial 📂 *Playlist Links:* - JavaScript Full Course Video (Hindi): https://youtu.be/moRFcW7xayc - React 19 Full Course Video (Hindi): https://youtu.be/cHIn7PUAxlg - Angular 21 Full Course Video (Hindi): https://www.youtube.com/playlist?list=PLsjpRo2EZP1LTrYY6_FMpx6cqmjuPdoo2 - Python Full Course Video (Hindi): https://www.youtube.com/playlist?list=PLsjpRo2EZP1Ja-GuGvkiPqmE3RGYP4lnI - Django Full Course Video (Hindi): https://www.youtube.com/playlist?list=PLsjpRo2EZP1K_glKX0lG6BkviJFxjuGls - NodeJS Full Course Video (Hindi): https://www.youtube.com/playlist?list=PLsjpRo2EZP1Lv7wu42U1Z-_Omh-pcjsUv - Git and GitHib Copilot Full Course Video (Hindi): https://youtu.be/hebwERejgI4 🔗 *Follow Me for Updates:* - TopMate:[Connect with Me](https://topmate.io/mohitdecodes) - WhatsApp:[Connect with Me](https://whatsapp.com/channel/0029Vb6CABUIHphQqGRYP71u) - Instagram: [Connect with Me](https://www.instagram.com/mohit_decodes/) - Facebook: [Connect with Me](https://www.facebook.com/mohitdecode/) - LinkedIn: [Connect with Me](https://www.linkedin.com/in/mohitdecodes/) - GitHub: [Explore My Projects](https://github.com/mohitdjcet/) string basics dsa, what is string in programming, string operations dsa, string immutability explained, dsa phase 2 strings, string interview questions, coding interview strings, string traversal examples, mohit decodes dsa #dsa #strings #codinginterview #interviewpreparation #programming #learncoding #developers #mohitdecodes --- Copyright Notice: © Mohit Decodes. All rights reserved. Unauthorized reproduction or distribution of this content is prohibited. For permissions, contact via LinkedIn or email.