Mastering the Template Method Pattern in Java: A Comprehensive Guide

Naveen Metta
5 min readJan 22, 2024
credit goes to the owner : https://refactoring.guru/design-patterns/template-method
source : refactoringguru.com

Introduction:

The Template Method Pattern stands as a stalwart in the realm of design patterns, a behavioral design pattern that bestows the ability to define the skeletal structure of an algorithm in the superclass while allowing subclasses to imbue specific steps with their own implementations. In this expansive exploration, we embark on a journey through the nuances of the Template Method Pattern in Java. Each element of this pattern will be meticulously dissected, elucidating its intricacies, and a plethora of Java code examples will be provided to fortify your comprehension.

Understanding the Template Method Pattern:

1. Delving into the Template Method:

At the heart of the Template Method Pattern resides the eponymous template method itself. Situated in the superclass, this method delineates the sequential steps of an algorithm. It serves as a mold that subclasses can mold to their own specifications, offering concrete implementations for specific steps.

public abstract class AbstractAlgorithm {
// Template Method
public final void executeAlgorithm() {
step1();
step2();
step3();
}

// Abstract steps to be implemented by subclasses
protected abstract void step1();
protected…

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Naveen Metta

I'm a Full Stack Developer with 3+ years of experience. feel free to reach out for any help : mettanaveen701@gmail.com