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Everything You Need To Know About Destructors In A C++ App

Everything You Need To Know About Destructors In A C++ App


Hello Great C++ Developers,

C++ Builder is a great C++ IDE and compiler to help you build a wonderful C++ app with lots of modern features and this is another amazing week with a lot of new C++ posts. This week, we pick some of different usage methods of constructor and destructor in classes.

Object Oriented Programming is a way to integrate with objects which can contain data in the form of attributes or properties of objects, and code blocks in the form of methodsfunctions of objects. These attributes and methods that belong to the class are generally referred to as class members. The Constructor in C++ is a function, a method in the class, but it is a ‘special method’ that is automatically called when an object of a class is created.  The Destructor in C++ app classes is a special member function to delete objects, in other terms it is called when the lifetime of an object ends. These both main method members of classes have different usage options mostly not known well and maybe you never used before. We explain many these kinds of methods in LearnCPlusPlus.org.

What is LearnCplusPlus.org and how does it help me create a C++ app?

LearnCPlusPlus.org is packed full of great articles for professionals and beginners alike. The posts vary from articles suitable for people who are just starting to learn C++ – basics like string handling, pointers, loops, and all those fundamental building blocks of this rich and powerful programming language – to much more in-depth and advanced subjects like artificial neural networks and AI, along with the math behind it. Our focus is on the C++ language, particularly modern C++ and creating a C++ app using up to date techniques. The examples and techniques will work with almost any environment and C++ IDE you can choose although, of course, we believe RAD Studio C++ Builder is the best option!

If you are new to RAD Studio, we think these posts may help you as much as a rapid introduction to programming in C++, all the way to the most robust, modern, and latest techniques for those more experienced with the language. For those who are perhaps wanting to expand their knowledge with the most up-to-date features, routines, and methodologies this is a great little boost (pun intended) to your C++ knowledge. The new RAD Studio 11C++ Builder 11, Delphi 11 are released with great new features and we are developing and testing new examples for you with the latest RADS 11 that means.LearnCPlusPlus.org examples are working well with the latest C++ Builder.

You can see more of our C++ posts on this blog by clicking the following dynamic search link: https://blogs.embarcadero.com/?s=C%2B%2B

Here are today’s selections:

How can we use Destructors and Constructors in a C++ app?

These posts are designed to give you more information and to be easy to understand the modern and professional ways that we use in C++. Here are the topics,

  • How To Force A Class Destructor In C++ Software
  • What Is An Implicitly Declared Destructor In A C++ App
  • Learn About Disabling The Implicit Destructor In A C++ App
  • Learn About Deleted Implicit Destructors in A C++ App
  • This Is How Trivial Copy Constructors Work In A C++ App

What kinds of Constructor and Destructor C++ questions are we answering?

These are the questions that we answer in this collection:

  • What is the forcing a destructor in C++?
  • What is the defaulted destructor in C++?
  • How to force a Destructor in C++ Classes?
  • What kind of methods we have that we can declare and use a destructor?
  • Is there a C++ example for the forcing a destructor?
  • Is there a C++ example to the defaulted destructor?
  • What is the Implicitly Declared Destructor in a C++ app?
  • What kind of methods we have that we can use declare an implicitly declared destructor
  • What is the Constructor in a C++ app?
  • What is a Destructor in a C++ app?
  • Is there an example to the implicitly declared destructor?
  • What is the disabling the implicit destructor?
  • How to disable the implicit destructor in classes?
  • Is there an example to disable the implicit destructor?
  • How to learn about deleted implicitly declared destructor in a C++ app?
  • What kind of methods we have that we can declare and use to deleted implicitly defined destructors?
  • What is deleted implicitly declared destructors in classes?
  • Is there a C++ example to the deleted implicitly declared destructors?
  • How trivial copy constructors work in a C++ app?
  • What trivial constructors are?
  • Should we declare a trivial copy constructor in a Class in C++ or not? 
  • Is there a simple C++ example to the trivial copy constructor?

C++ Builder answers all Constructor and Destructor C++ app questions with these posts

C++ Builder can supply all the answers to those questions above and the posts include some very simple step-by-step examples to show you how.

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C++ Builder is the easiest and fastest C and C++ IDE for building simple or professional applications on the Windows, MacOS, iOS & Android operating systems. It is also easy for beginners to learn with its wide range of samples, tutorials, help files, and LSP support for code. RAD Studio’s C++ Builder version comes with the award-winning VCL framework for high-performance native Windows apps and the powerful FireMonkey (FMX) framework for cross-platform UIs.

There is a free C++ Builder Community Edition for students, beginners, and startups; it can be downloaded from here. For professional developers, there are Professional, Architect, or Enterprise versions of C++ Builder and there is a trial version you can download from here.


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About author

Dr. Yilmaz Yoru has 35+ years of coding with more than 30+ programming languages, mostly C++ on Windows, Android, Mac-OS, iOS, Linux, and some other operating systems. He graduated and received his MSc and PhD degrees from the Department of Mechanical Engineering of Eskisehir Osmangazi University. He is the founder and CEO of ESENJA LLC Company. His interests are Programming, Thermodynamics, Fluid Mechanics, Artificial Intelligence, 2D & 3D Designs, and high-end innovations.

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