Programming is a vital part of nearly every software project. Whether you’re developing web applications, desktop apps, or embedded devices, good programming skills are essential.
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This course covers the principles and practices of modern C++ programming along with hands-on exercises and real-world examples to demonstrate concepts. Topics include:
Every software project has its own unique set of tasks and deadlines. When digesting all the different requirements and requests, it can be difficult to know where to begin.
This book helps you avoid making the same mistakes over and over again. It addresses common problems with clear and detailed explanations that you can apply immediately.
What is C++?
C++ is an object-oriented programming language that was designed to be used both in the application development environment and at the operating system level.
It is the language that many modern programming environments (e.g., Visual C++, GNU Compiler, Android SDK, etc.) support. It is a general-purpose programming language used to develop applications that may communicate with each other across various platforms.
C++ is a high-level language that provides a concise and descriptive syntax. As such, a programmer can write code that is understandable and easy to maintain.
Like its parent language, C, C++ is a highly generic language that can be used to write a wide range of applications. C++ has been widely implemented in a variety of software frameworks and applications for a number of platforms.
Why Learn C++?
Experience – By learning C++ you will be helping to make your company’s code more maintainable, efficient, and reliable. Practicality – C++ is a very practical programming language to use.
It is simple, easy to pick up, and has a large number of operators and functions. Convenience – C++ is a concise, uniform, high-level programming language, making it perfect for writing applications. It has no side effects, so writing code is easy, and commenting and removing code is also easy.
Organization – C++ is a highly organized language, making it easy to find what you’re looking for. It has a large number of operator overloading functions and keywords, making it simple to find what you’re looking for.
The Overall Situation Regarding C++
When it comes time to write a large application, whether, for your company or public service, you’ll likely choose C++.
This is because it is highly standardized and the adoption at major companies ensures it will stay that way. Like any other programming language, C++ has its merits and demerits.
While it may offer brevity of syntax and a large number of operators and functions, its main disadvantage is that it is not object-oriented. In simple terms, OO is about objects and their relationships.
All code should concern itself with these things. When you’re done with C++, you’ll know the ins and outs of object-oriented programming.
Working with Files and Data in C++ Programming
When you’re writing an application, you’ll want to keep track of the data that your application requires.
This can be a very difficult task, given that data types and representations vary by environment and application. This can be addressed by using data structures.
A data structure is a grid of cells that store data. A data structure can take one of two forms: linked data structure or array data structure.
A linked data structure is like a folder with a variety of files stored inside it.
When someone searches for information using your application, the user’s search terms will Grid-based search. This is the most popular type of data structure because it is easy to use and understand.
Streams, Continuations, Functions and Events
Most applications will use a combination of these technologies to drive their functionality. For example, a calendar application may use a tabular calendar format, a tree-like layout, or both.
A tabular calendar follows the format: “2016/1/1” and is read by the date. A tree-like layout follows the format: “apple” and has categories. A list-based format follows the format: “apple-tree” and has a list of items. A function-based API follows the format: “NSDate().”
Other Platforms and APIs
C++ can be used to develop apps for a wide range of platforms. It’s possible to write an app for Apple devices and iOS, for example, using QML, Objective-C, and Xcode tools.
Additionally, you may wish to use an API written in another language. This is often the case when developing an app that communicates with another API, such as when using a RESTful API over an HTTP channel.
Implement a Simple Task-Based Architecture in C++
In this example, we implement a simple task-based architecture using the default C++ development tools. The application consists of a series of screens that the user can navigate between.
The user first enters information such as their name, last name, and email address. Then, they choose a delivery method, such as “ground,” “air,” or “courier.” Next, they enter the required information and pay the expected amount.
C++ programming is a versatile and important language that can be used to write applications that run on various platforms. It can be used to develop apps for the web, desktop, and embedded devices.
Beyond its wide range of uses, C++ is also a highly standardized language. This means it will always be in a state of rapid change.
It is therefore important to be well-versed in the latest programming practices. The good news is that C++ programming is not that difficult to get started with.
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A good starting point is the book Programming Principles and Practice – A Comprehensive Guide by Dmitry Smolyakov, Sven Munkvold, and Jannik Vosagersky. This book is an essential reference for anyone who wants to get into the details of C++ programming.