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_15

15. Template Method Pattern

Vaskaran Sarcar¹  

(1)

Garia, Kolkata, India

 

This chapter covers the Template Method pattern.

GoF Definition

It defines the skeleton of an algorithm in an operation, deferring some steps to subclasses. The Template Method pattern lets subclasses redefine certain steps of an algorithm without changing the algorithm’s structure.

Concept

Using this pattern, you begin with the minimum or essential structure of an algorithm. Then you defer some responsibilities to the subclasses. As a result, the derived class can redefine some steps of an algorithm without changing ...