Category: C++ Tutorial

🆕❌ C++ new and delete In C++, new and delete are used for dynamic memory management—that is, allocating and freeing memory at runtime (on the heap). 🔹 1. Why new and delete? Size of...

🧠 C++ Memory Management Memory management in C++ is about allocating, using, and releasing memory correctly to make programs fast, safe, and leak-free.C++ gives you manual control, which is powerful—but requires care. 🔹 1....

🔧 C++ Modify Pointers Modifying pointers in C++ means either: changing what value a pointer points to (modify data via dereference), or changing where the pointer points (modify the address stored in the pointer)....

👉 C++ Dereference Operator (*) In C++, the dereference operator (*) is used to access or modify the value stored at the memory address held by a pointer. 🔹 1. What Does Dereferencing Mean?...

👉 C++ Pointers A pointer in C++ is a variable that stores the memory address of another variable.Pointers are essential for dynamic memory, arrays, functions, and low-level programming. 🔹 1. Pointer Declaration int *ptr;...

🧠 C++ Memory Address In C++, every variable is stored at a specific memory location.The memory address tells you where that variable is stored in RAM. 🔹 1. Address-of Operator (&) The & operator...

🔗 C++ References A reference in C++ is an alias (another name) for an existing variable.It does not create a new variable, but refers to the same memory location. 1. Declaring a Reference int...

🧩 C++ Enumeration (enum) An enumeration (enum) in C++ is a user-defined data type that consists of a set of named constant values.It improves code readability, safety, and maintainability.  1. Why Use enum? Instead...

🧩 C++ Structures (struct) A structure (struct) in C++ is a user-defined data type that allows you to group different data types under a single name.It is very useful for representing real-world entities like...

🧱 C++ Multi-Dimensional Arrays A multi-dimensional array in C++ is an array that has more than one dimension.The most common type is a 2D array, which looks like a table (rows × columns). 🔹...