Sliding Window Technique in Java | Max Subarray + Real Website Visitors Example | DSA Placement

📌 Sliding Window Technique in Java | DSA Interview Preparation In this video, you will learn the Sliding Window Technique from scratch with simple logic and real examples. We will solve two important problems: ✅ Count total website visitors in the last 3 days ✅ Maximum Sum Subarray (Fixed Size Window) ◾◼️ 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... These questions are frequently asked in coding interviews and competitive programming. This video is perfect for beginners preparing for Java DSA, LeetCode patterns, placement interviews, and product-based companies. 🔍 What you will learn in this video: • What is Sliding Window Technique • Fixed Size Sliding Window • Why and when to use sliding window • Java implementation with step-by-step explanation • Best interview questions on subarrays 🎯 Topics Covered in This Video: • Sliding Window in Java • Data Structures and Algorithms for placements • Max Subarray Sum problem • Real world example: Website visitors counter • Important subarray interview questions • DSA Sliding Window pattern • Coding interview preparation 📝 Related Topics (Short Titles Reference): • Sliding Window Technique DSA • Fixed and Variable Window Basics • Java Subarray Problems • Coding Interview Sliding Window Pattern ⏱️ Chapters: 00:00 Introduction 00:24 What is Sliding Window Technique? 00:56 Real World Example (Website Visitors) of Sliding Window 04:20 Website Visitors Example 18:50 Maximum Sum Subarray 21:38 DSA Notes 📚 More DSA videos coming soon. Subscribe and support the channel for regular content on Data Structures, Algorithms, Java, and interview preparation. 👍 Like | 💬 Comment | 🔔 Subscribe for more Java DSA videos Share this video with your friends preparing for placements.