.NET API Docs

System Namespace

The System namespace is the root namespace for fundamental classes in .NET. It includes base data types, exception handling, console I/O, and more.

Explore the most common types below or use the search box above to find a specific member.

Types in System

Type Description
String Represents text as a series of Unicode characters.
Int32 Represents a 32-bit signed integer.
Boolean Represents a Boolean value (true or false).
DateTime Represents an instant in time, typically expressed as a date and time of day.
Console Provides basic support for console-based applications.
Exception Base class for all exceptions.
Math Provides constants and static methods for trigonometric, logarithmic, and other common mathematical functions.
Object Root of the type hierarchy; all types inherit from this class.
Array Provides methods for creating, manipulating, searching, and sorting arrays.
Delegate Represents references to methods with a particular parameter list and return type.