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

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

by Vaskaran Sarcar
December 2018
Intermediate to advanced content levelIntermediate to advanced
512 pages
8h 51m
English
Apress
Content preview from Java Design Patterns: A Hands-On Experience with Real-World Examples
© Vaskaran Sarcar 2019
Vaskaran SarcarJava Design Patternshttps://doi.org/10.1007/978-1-4842-4078-6_2

2. Prototype Pattern

Vaskaran Sarcar1 
(1)
Bangalore, Karnataka, India
 

This chapter covers the prototype pattern.

GoF Definition

Specify the kinds of objects to create using a prototypical instance, and create new objects by copying this prototype.

Concept

In general, creating a new instance from scratch is a costly operation. Using the prototype pattern, you can create new instances by copying or cloning an instance of an existing one. This approach saves both time and money in creating a new instance from scratch.

Real-World Example

Suppose we have a master copy of a valuable document. We need to incorporate some changes to it to see the effect of the ...

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Publisher Resources

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