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An array stores a fixed-size sequential collection of elements of the same type. An array is used to store a collection of data, but it is often more useful to think of an array as a collection of variables of the same type stored at contiguous memory locations. Instead of declaring individual

C# Enumerations Enumerations, or enums, let you define a fixed set of named constants in C#. They’re ideal for representing discrete values such as days of the week, months, or status codes. Below we walk through a simple, real‑world example that shows how to declare an enum, assign values, and use

What Is malloc() in C? In the C Standard Library, malloc()—short for “memory allocation”—dynamically reserves a contiguous block of memory at runtime. The function returns a void* pointer to the beginning of that block, which you can cast to any pointer type you need. Syntax ptr = (cast_type *)mallo

What is a C# Interface? An interface in C# is a contract that defines a set of members—methods, properties, events, or indexers—that a class or struct must implement. It specifies the what but not the how, allowing different types to expose the same set of operations while keeping implementation det