Java Design Patterns: A Hands-On Experience with Real-World Examples

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022

V. SarcarJava Design Patternshttps://doi.org/10.1007/978-1-4842-7971-7_5

5. Prototype Pattern

Vaskaran Sarcar¹  

(1)

Garia, Kolkata, India

 

This chapter covers the Prototype pattern.

GoF Definition

It specifies the kinds of objects to create using a prototypical instance and creates new objects by copying this prototype.

Concept

This pattern provides an alternative method for instantiating new objects by copying or cloning an instance of an existing object. Thus, you can avoid the expense of creating a new instance using this concept. Why is this important? There are various reasons. Here are some examples:

• You may need some resources to make an instance, but these ...