Updated on: April 12, 2023
C++ needs no further introduction. It is a high-level programming language widely used to develop system software, video games, and other complex software applications. Since its inception in 1983 as an extension of the C language, it has become one of the most popular programming languages in the world. know more here c++ tips and tricks for programming
What is C++?
C++ is defined as an object-oriented programming language that allows you to create classes and objects encapsulating data and behavior. This makes it easier to manage complex code, as you can break it down into smaller, more manageable components. It is a compiled language, which means that your code is translated into machine code before it is executed. This can result in faster execution times compared to interpreted languages like Python and Ruby.
Features of C++
Some of the core features of C++ include:
- Object-oriented programming
- Strong typing
- Memory management
- Pointers and references
- Templates and generics
- Exception handling
- Operator overloading
- Standard template library (STL)
C++ also features powerful memory management capabilities, which allow you to control how memory is allocated and de-allocated within your program. This is important because efficient memory management can help you avoid memory leaks and other performance issues.
C++ is a powerful and flexible programming language that is widely used in a variety of industries. While it can be challenging to learn, its many features and capabilities make it a valuable tool for software developers.
C++ Tips and Tricks for Programming
While coding with C++, it is necessary to follow a certain code of conduct in collaboration with some useful tips and tricks to make the code efficient and effective. Here are a few tips and tricks to do so: Follow them and reduce a few lines of code, wherever possible.
Make the most of const wherever possible.
While writing a program, you can declare variables and functions as const. This will help in ensuring the correctness of the program and preventing any sort of accidental changes to the data. Also, it allows the compiler to do better optimization.
Try to avoid global variables.
When global variables are used, it may lead to issues with code maintainability. Because they can be modified from anywhere in the code, it is advised to avoid their usage. Instead of these global variables, programmers or developers are advised to use local variables, function parameters, and class members.
Use of smart pointers instead of raw pointers:
Smart pointers, such as std::unique_ptr and std::shared_ptr, are always advisable. They can help with memory management by automatically deleting objects when they are no longer needed. Thus, using smart pointers instead of raw pointers can help prevent memory leaks and simplify your code.
Try to avoid unnecessary copying of objects;
copying any object seems to be an expensive deal, especially when it comes to large objects. As a remedial technique, using cost references when passing objects as function parameters is advised. Also, in place of copying the objects, the implementation of move constructors and move assignment operators is preferred.
The use of resource acquisition is initialization, i.e., RAII, wherein an object constructor and destructor are used to automatically manage resources such as memory and file handles. Use of it can help simplify your code and prevent resource leaks.
Make the use of standard library:
In the standard library, one can find useful data structures and algorithms, such as containers like std::vector and std::map and algorithms like std::sort and std::find. These and more related components are used to save time and improve the readability of the code.
Be ready to follow the Rule of Five:
the Rule of Five includes the following: copy constructor, copy assignment operator, move constructor, move assignment operator, and destructor. When we define the functions in a class, the ‘Rule of Five helps prevent subtle bugs in the code.
Make use of the const reference when passing large objects.
The const reference is used when large objects are passed to functions. This is done to help avoid any sort of copying of the objects, and it also aids in improving the performance.
Use the preprocessor sparingly.
When it comes to defining the macros and including the header files, the preprocessor is used. But make sure you don’t overuse the preprocessor when you use it. This is because overuse can make the code difficult to read and maintain. Make sure to use the preprocessor only when it’s necessary.
Using modern C++ features:
with the passing of time, C++ is evolving. Over the years, newer versions of this language have come up with new features that are meant to simplify and improve the code. The improved features, when applied, help make the code easily readable and maintainable.
The above are just a few best practices c++ tips and tricks for programming language. Programmers can learn about C++ course in gurgaon and apply the tricks for a clearer, more maintainable and improved program.