Gain insights into software design patterns and architecture in C++. Learn about C++ idioms, concurrency patterns, and apply the right solutions to improve code quality and productivity.

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Software engineering researchers and practitioners noticed that parts of software projects could often be solved using approaches that were discovered earlier to solve similar problems. This led to the documentation of software design and architectural patterns, which are known solution approaches to a class of problems. 

This course starts by putting software patterns into perspective by answering the question, “What is a software pattern, and how is it different from an algorithm?” You will then learn about the two classes of patterns—software design and architecture patterns. Next, you’ll learn common C++ idioms. Finally, you will learn about software patterns for concurrency. 

By the end of the course, you will have useful and practical tools to improve the quality of your code and productivity. You’ll also be able to analyze a given part of your software project, pick the right pattern for the job, and apply it.

Master Software Design Patterns and Architecture in C++

## Problem statement
The following code (the expression template we saw in the last lesson) only supports addition and multiplication. Your task is to add subtraction and division functionality.

## Coding exercise
Write your code in the coding playground below.

# Problem statement
The following code (the expression template we saw in the last lesson) only supports addition and multiplication. Your task is to add subtraction and division functionality.

# Coding exercise
Write your code in the coding playground below.

Test your understanding and extend the template expression code to support addition and subtraction.

Introduction

Introduction to Design Patterns

Deep Dive into Design Patterns

More Design Patterns

Idioms

Architectural Patterns

Patterns for Concurrency

Conclusion

Exercise: Expression Templates

Problem statement

Coding exercise