Design Patterns in C++

Welcome to Design Patterns implemented using C++ programming language. Each design pattern is explained with a problem statement, solution, steps to implement, implementation (source code), and when to use.

Design patterns are typical solutions to common problems in software design. Each pattern is a blueprint that can be customized to solve a particular design challenge in various situations. They provide a shared language and framework for expressing solutions and discussing design alternatives.

Traditionally, design patterns are divided into three categories: Creational, Structural, and Behavioral.

1. Creational Patterns

Concentrate on the process of object generation, making the system independent of how its objects are created, composed, and represented.

C++ Singleton Design Pattern Example

C++ Factory Method Pattern Example

C++ Abstract Factory Pattern Example

C++ Builder Pattern Example
C++ Prototype Design Pattern Example

2. Structural Patterns

Focus on composing classes or objects to form larger structures. They ensure that when parts change, the entire structure does not need to change.

C++ Adapter Design Pattern Example

C++ Bridge Pattern Example

C++ Composite Pattern Example

C++ Decorator Pattern Example

C++ Facade Pattern Example

C++ Flyweight Design Pattern Example

C++ Proxy Pattern Example

3. Behavioral Patterns

Are concerned with algorithms and the assignment of responsibilities between objects. They focus on communication between objects.

C++ Chain of Responsibility Pattern Example

C++ Command Design Pattern Example
C++ Interpreter Design Pattern Example

C++ Iterator Design Pattern Example

C++ Mediator Pattern Example

C++ Memento Pattern Example
C++ Observer Pattern Example
C++ State Pattern Example
C++ Strategy Pattern Example
C++ Template Method Design Pattern Example
C++ Visitor Design Pattern Example