Gain insights into dynamic memory allocation, creating classes, and functions. Delve into inheritance, I/O, exception handling. Explore 90+ examples to master advanced C++ functionalities.

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If you’re looking to sharpen up your C++ programming skills, then you’re in the right place. You will start with learning about dynamic memory allocation, how to create classes, and constructors. 

In the latter half of the course, inheritance, functions, I/O, exception handling, and more. Throughout the course, you will study over 90 carefully designed examples aimed to enhance your understanding of the C++ language.  

By the time you finish this course, you will be able to use more advanced functionality in your C++ programs.

C++ Programming for Experienced Engineers

# Challenge

Rewrite the `Number` class from “[Number Class with Methods defined Inside it](https://www.educative.io/courses/cpp-programming-experienced-devs/number-class-with-methods-defined-inside-it)” and “[Number Class with Methods defined Outside it](https://www.educative.io/courses/cpp-programming-experienced-devs/number-class-with-methods-defined-outside-it)” with class declaration in the **Number.h** file. The class definition is in the **Number.cpp** file. Use the class from the  **main.cpp** file.

# Sample run

If you correctly implement the code in *header* and *cpp* files, and don't change the code in *main.cpp*, then you should expect to see the following console output after running your coding exercise:

```txt
1234
5 does not divide 1234
Absolute value of 1234 is 1234
```

# Coding exercise

Your job is to write method definitions in the *cpp class*. The code for `main ( )` is already given.


Learn to create a class with separate headers and cpp files.

Getting Off the Ground

Starters

Basic C++ Examples

Class Organization Examples

Class Constructor Examples

Classes and Objects Examples

More Classes and Objects Examples

Function Examples

Function Overloading Examples

Operator Overloading Examples

Free Store Examples

Inheritance Examples

Virtual Function Examples

Input Output Examples

Template Examples

Exception Handling Examples

STL Examples

Miscellaneous Examples

Conclusion

Number Class Definition with Separate Files

Challenge