Rohit Chandra Joshi on Instagram: "ArrayList Internally Kaise Work Karta Hai? 🤔 --- Do you know how an ArrayList internally works in Java? Most developers use ArrayList every day but don’t understand how data is stored in memory. In this video, I explain how ArrayList uses a dynamic array internally, how its initial capacity works, and what happens when you keep adding more elements. You’ll also learn how ArrayList resizes itself, why elements are copied to a new array, and how this impacts per