1️⃣ Why Use ArrayList Instead of an Array? Dynamic Sizing – Unlike arrays, ArrayList can grow and shrink automatically. Built-in Methods – Provides useful methods like add(), remove(), contains(), etc ...

In this blog we will learn about arraylist. arraylist is one of the collection class of collection framework. it is a way of storing elements dynamically in an array. it implements the list interface ...

Arrays are amazing tools! Unfortunately, they lack flexibility and useful methods. That's where ArrayList comes into play. An ArrayList is similar to an Array, except it is resizable and has more ...

To reset arraylist we have two options, one is to use clear() method and another is to use removeall(). we dont need to worry if size of the arraylist is small i.e. 10 to 100. but if arraylist size ...