Prototype Design Pattern is a creational design pattern which will be used when there is a need to create multiple object with the same class and will be involved in lot of configurations. By using Prototype Design pattern we can clone a existing object with same configurations values, with same property values into a different memory location, that will exclude the costly operations. This will save us both time and resources. When to use? and Why? Creating new objects by cloning other objects. Allows for adding any subclass instance of a known super class at run-time when there are numerous potential classes that you want to only use if needed at run-time. Reduce the need for creating sub classes public interface Shape extends Cloneable { public Shape makeCopy(); } public class Circle implements Shape { public Circle() { ...