CodeCrafted on Instagram: "ArrayList (Java) 📦☕ An ArrayList is a dynamic array in Java that is used to store multiple values and can grow or shrink automatically. Easy points to understand: 🔹 Part of the Java Collections Framework 🔹 Stores elements in an ordered way 🔹 Allows duplicate values 🔹 Can store any type of objects 🔹 Size changes dynamically (no fixed size like arrays) 🔹 Access elements using index numbers One-line memory trick 🧠 👉 Array = fixed size, ArrayList = flexible size.