Understanding Composite Design Pattern in Java
The Composite Design Pattern is one of the most powerful structural design patterns in Java . It is widely used when you want to represent hierarchical structures such as trees — for example, a folder structure, UI components, organization charts, menus in web apps, and more. In this blog, we will understand what the Composite Pattern is, when to use it, its advantages, and a real-time Java example. If you are preparing for Java interviews, system design, or scalable application development , this article will help you. What is the Composite Design Pattern in Java? The Composite Pattern allows you to treat individual objects and a group of objects in the same way . It is mainly used to implement tree-like structures . Every node in the tree can be either: Leaf – an individual object Composite – a container that holds leaf or other composite objects The main objective is to let the client treat both leaf and composite objects uniformly . Real-Time Use Cases Fil...