c++ public class syntax

C++ Public Class Syntax Explanation

In C++, the syntax for declaring a public class involves using the class keyword followed by the class name and a set of curly braces. The public access specifier is used to specify that the members of the class can be accessed by any code that has access to the class object.

Here is an example of the syntax for declaring a public class in C++:

class MyClass {
public:
    // public members and functions
};

Explanation of each step:

1. The class keyword is used to declare a class in C++.
2. The class name (MyClass in this example) follows the class keyword.
3. The opening and closing curly braces {} enclose the class definition.
4. The public: keyword is used to specify the access level of the members that follow it.
5. Inside the public section, you can declare variables, functions, and other members that will be accessible from outside the class.

It's important to note that the public access specifier is just one of the access specifiers available in C++. Other access specifiers include private and protected, which control the visibility of class members to different parts of the code.

Example:

class Rectangle {
public:
    int width;
    int height;

    int calculateArea() {
        return width * height;
    }
};

In this example, the Rectangle class has two public member variables (width and height) and a public member function (calculateArea()). These members can be accessed and used by code outside the class.

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