C++ Code Examples

Welcome to Your C++ Learning Hub

Take a walk through the diverse world of C++ programming with our vast set of code examples. This repository is designed both for novices willing to crack the basics and for those more advanced programmers who would like to develop themselves in this mighty programming language.

Following major concepts

To make sure that you have all the prerequisites at your fingertips before moving on, we will introduce you with examples given into the syntax and the structure of the language, deeper into some of the basic concepts that constitute the very basis of C++ programming. And as you get comfortable, proceed to the more advanced stuff like control structures—one of the most vital control structures for decision-making and looping in C++.

Deep Dive into Object-Oriented Programming and More

We shall delve much deeper into the heart of C++ with our comprehensive examples in object-oriented programming to include classes, objects, inheritance, and polymorphism. We have structured these sections with hope in such a manner that at the end of the day, you harness how to structure code for efficiency and, as a consequence, you benefit from reuse and modularity. Further, hone your technical skills with masterly pointers, templates, and the json c++ library. Arrays — crucial for dynamic memory management and generic programming.

Gaining expertise in advanced functionalities

The repository does not end at simple programming constructs; rather, it extends to the deep reaches of file operations, data structures, and sorting algorithms. You will learn how to manipulate and manage files in different ways, so the performance and the scalability of the files may be achieved.

Applying the practicals in the computational domain of C++, we will crack even the most complex of mathematical problems with our sequences and functions.

Robustness and Reliability

Robustness and Reliability Examples that focus on error handling and system functions will help to fortify your application, making it more robust and error-free. That will lead to knowledge about how to manage the unexpected errors and how to interact with the operating system to finish your abilities as a developer, to build a software that is reliable and effective. Browse a complete collection of code examples and let each of them help you become a better C++ programmer. Never before has it been so easy for C++ masters to learn through structured learning and practical application!

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C++ Basics

Arithmetic operators
Basic code examples
Bitoperators
C++ Code Example: check password strength
C++ Code Example: convert celsius to fahrenheit
C++ Code Example: convert decimal to binary number
C++ Code Example: convert decimal to hexadecimal number
C++ Code Example: convert decimal to octal number
C++ Code Example: Convert different data types to int
Comments in C++
Conversion Programs
Data types in C++
Datatype string
Declaration and initialization
Escape sequences – special characters
Hello world
Input / output
Operators in C++
Range of values and memory size of all data types
Read out memory of Data Type
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Control Structures in C++

C++ Code Example: advanced switch-case statement
C++ Code Example: check if a number is positive or negative
C++ Code Example: check leap year in if else statement
C++ Code Example: christmas tree pattern
C++ Code Example: display characters from a to z using for-Loop
C++ Code Example: double nested for-loop
C++ Code Example: floyd’s triangle
C++ Code Example: for-loop through an array to output the content
C++ Code Example: get weekday
C++ Code Example: hourglass pattern
C++ Code Example: if else statement on boolean expressions
C++ Code Example: left arrow pattern
C++ Code Example: multi-branches
C++ Code Example: nested for loop
C++ Code Example: nested if-else statement
C++ Code Example: pattern reverse
C++ Code Example: right arrow pattern
C++ Code Example: simple calculator
C++ Code Example: simple if-else statement
C++ Code Example: simple pattern
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Functions in C++

C++ Code Example: calculate cross sum (iterative and recursive)
C++ Code Example: greatest common divisor (recursion)
C++ Code Example: least common multiple
C++ Code Example: passing array to function
C++ Code Example: simple login
C++ Code Example: tower of hanoi (recursive)
C++ Code Example: volume and surface area of a ball
C++ Code Example: volume and surface of a cube
Definition and declaration
Function parameters
Inline functions
Passing objects to functions
Recursion
Static functions

Arrays in C++

Array methods
Array syntax
at() – get element by index
C++ Code Example 1: multidimensional array
C++ Code Example 2: multidimensional array
C++ Code Example: array in reverse order
C++ Code Example: average of an array
C++ Code Example: even numbers in an array
C++ Code Example: join two arrays
C++ Code Example: largest number in an array
C++ Code Example: odd numbers in an array
C++ Code Example: print array elements
C++ Code Example: prints out indices of all pairs of numbers
C++ Code Example: searchs an array for a number
C++ Code Example: smallest number in array
C++ Code Example: sum up all numbers from an array
fill() – fill array
font(), back() – first and last element in array
Multidimensional arrays syntax
size() – size of array
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Classes and Objects in C++

C++ Code Example: area of ​​a rectangle
C++ Code Example: create items with counter
C++ Code Example: data abstraction – public, private, protected
C++ Code Example: volume of a cube
Classes and objects basics
Constructor
Destructor
Encapsulation via get and set methods

Inheritance and Polymorphism in C++

C++ Code Example: compile-time polymorphism (function overloading)
C++ Code Example: compile-time polymorphism (operator overloading)
C++ Code Example: single inheritance
Compile-time polymorphism
Hierarchical inheritance
Hybrid inheritance
Inheritance access control
Inheritance basics
Multilevel inheritance
Multiple inheritance
Polymorphism basics
Runtime polymorphism
Single inheritance

Fileoperations in C++

C++ Fileoperations: check if two files have the same content
C++ Fileoperations: copy the file name and content of 10 files in another
C++ Fileoperations: read the file size and type of an image
Input / Output with files
Read and write (fstream)
Read from file (ifstream)
Text files
Write to file (ofstream)

Data Structures in C++

Binary search tree
Linked list data structure
Queue data structure
Singly Linked List Code Example 1
Singly Linked List Code Example 2
Singly Linked List Code Example 3
Stack data structure

Sorting Algorithms in C++

Bubble sort algorithm
Heap sort algorithm
Insertion sort algorithm
Merge sort algorithm
Quicksort algorithm
Selection sort algorithm
Shellsort algorithm
Tim sort algorithm

Errors and Exception Handling in C++

C++ standard exceptions
Example: bad_alloc exception
Example: range_error exception
Example: throw new exception
Example: try-catch (division by zero)
Throw new exceptions (throw-keyword)
Try-catch

Mathematical Functions in C++

Arithmetic sequence
Basic mathematical functions
C++ cmath module
Exponential and logarithmic math functions
Fibonacci sequence
Geometric number sequence
Hyperbolic functions
Incremental sequence
Mathematical rounding
Prime numbers
Square number sequence
Triangular number sequence
Trigonometric math functions

Pointers in C++

Address operator (&)
Constant Pointers and Targets
Deference operator (*)
Example 1: deference operator
Example 2: deference and address operator
Example 3: pointers in for-loop
Example 4: pointers and functions
Example 5: pass function arguments as pointers
Example 6: pass function arguments by reference
Function pointer
Null pointer
Pointer and Classes
Pointers and arrays
Void pointer

Templates in C++

C++ Code Example 1: function templates – swap two numbers
C++ Code Example 2: function templates – copy array in reverse order
C++ Code Example 3: function templates – determine min and max value
C++ Code Example 4: simple function template example
C++ Code Example 5: advanced function template example
C++ Code Example 5: class template example
C++ Code Example 6: LinkedList class template example
Class templates
Function templates

System Functions in C++

Create new directory
Get system date
List files and sub-directories
Shutdown / restart computer