C++

1. Foundation

1.1. Program structure

1.2. Variable

1.2.1. Number

1.2.2. Character

1.2.3. Character & Strings

1.3. Import & Export

1.4. Operator

1.5. Branching Statements

1.5.1. Compare

1.5.2. Switch case

1.6. Loop

1.6.1. For

1.6.2. While & Do while

1.6.3. Normal array

1.7. Array

1.7.1. Dynamic array

1.7.2. Types

1.8. Functions

1.8.1. Method

1.8.2. Recursive

1.9. Method

1.9.1. Dereference operator

1.10. Structs

1.10.1. Variable access

2. Variable address

3. Pointer

3.1. Reference

3.1.1. Functions

3.1.1.1. Recursion

4. File operations

5. OOP

5.1. Functions Overloading

5.2. Class

5.2.1. Classes & Objects

5.2.1.1. Method & Example

5.2.2. Constructors

5.2.3. Inheritance

5.2.4. Polymorphism

6. dynamic data structure

7. Data Structures & Algorithms

7.1. Node

7.2. linkedlist vs arraylist

7.3. double linked list

7.4. Sort algorithm & Seach algorithm

7.5. Tree

7.6. Heap