Reverse Words in a String | Leetcode 151 | 🚀 3 Optimized Ways (Java) | DSA Placement Course

Reverse Words in a String | Leetcode 151 | 3 Optimized Ways (Java) | DSA Placement Course ◾◼️ Useful Notes & Courses Links◼️◾ 👉🏻 Free Notes : https://smartprogramming.in/tutorials/ 👉🏻 Free Courses : https://smartprogramming.in/free-onli... 👉🏻 Java Programming Course + Certificate (Upto 80% off) : https://smartprogramming.in/professio... ◾◼️ Youtube Free Playlists ◼️◾ 👉🏻 Core Java :    • Java Tutorials for Beginners || Full Course   👉🏻 Core Java - Java SE 21 Version (2025) :    • Java Tutorials for Beginners   👉🏻 Data Structures & Algorithms (DSA) :    • DSA using Java Placement Course (Hindi) | ...   👉🏻 Advance Java :    • Advance Java Tutorial Videos || JDBC, Serv...   👉🏻 Spring Framework :    • Spring & Spring Boot Framework Tutorials f...   👉🏻 Springboot :    • Spring Boot Tutorials for Beginners [Hindi]   👉🏻 Git & GitHub :    • Complete Git and GitHub Tutorial for Begin...   👉🏻 Python :    • Python Tutorials for Beginners (Crash Course)   ◾◼️ Call & Whats App ◼️◾ 📞 Call : +91 62838-30308 ; +91 98887-55565 ✆ Whats App 1 : https://wa.me/916283830308 ✆ Whats App 2 : https://wa.me/919888755565 ◾◼️ Connect With Us On ◼️◾ 👉🏻 Facebook Page :   / smartprogramming.india   👉🏻 Instagram :   / smart_programming   👉🏻 Telegram : https://t.me/smart_programming_deepak 👉🏻 Whats App : https://www.whatsapp.com/channel/0029... 👉🏻 Amazon Store : https://www.amazon.in/shop/smartprogr... In this video, we solve one of the most popular string interview problems — Reverse Words in a String (Leetcode 151). This question is frequently asked in FAANG interviews, top product-based companies, and almost every coding test. If you are preparing for placements, coding interviews, Java DSA, or Leetcode, this video will give you a complete understanding. 🚀 What You Will Learn in This Video ✔ What "Reverse Words in a String" actually means ✔ How to solve Leetcode 151 using 3 optimized Java approaches ✔ Clean and efficient logic for interviews ✔ Step-by-step coding explanation for beginners ✔ How to handle extra spaces in strings ✔ Time & space complexity analysis ✔ Best way to write clean Java code in interviews This video is part of our DSA Placement Course, specially designed to help you crack coding rounds confidently. 🔥 Why This Question Is Important This problem is commonly asked in: Amazon Microsoft Google MakeMyTrip MentorGraphics Cisco Walmart Service-based & product-based company interviews 📘 Timestamps 00:00 – Introduction 00:17 – Problem Explanation 00:55 – Approach 1: Using trim() and split() methods 06:08 – Approach 2: Using StringBuilder and trim() split() methods 18:30 – Approach 3: Without trim() and split() methods 20:33 – All three Approach 20:39 – DSA Notes ✨ Related Titles Reverse Words in a String Leetcode 151 | Java + DSA Interview Preparation Strings – Reverse Words in a Sentence | DSA Placement Series Leetcode 151 – Reverse Words in a String | Java Explanation Reverse Words in String | Coding Interview Question | Java Leetcode Problem 151 | Reverse Words | Medium Difficulty | Java Reverse Words in String III (Leetcode 557) | Java Solutions Reverse Words in a String | C++, Java, Python | Interview Guide Reverse Words in a String – Asked in Amazon, Microsoft, MMT ❤️ Support the Channel If you found this video helpful, please support by: 👍 Liking the video 💬 Commenting your doubt 🔔 Subscribing to the channel 📤 Sharing with your friends preparing for placements Your support motivates me to make more free DSA content! 🔍 Hashtags #ReverseWordsInAString #Leetcode151 #JavaDSA #DSAPlacementCourse #JavaInterviewQuestions #StringsInJava #CodingInterviewPrep #LeetcodeJava #DSATutorial #PlacementPreparation #DSAwithJava #CodingForPlacements #javaprogramming