What are the data types of C#?

C# is an object-oriented programming language developed by Microsoft and is widely used in Windows desktop applications, Web applications, game development, mobile applications and other fields. C# provides a variety of data types to meet different types of development needs. The following are some commonly used C# data types:

1. Value type: Value type is a simple type that directly stores data values ​​instead of references. Value types include the following:

byte: byte type, used to store single byte data.

short: short integer, used to store 16-bit integers.

int: Integer type, used to store 32-bit integers.

long: long integer, used to store 64-bit integers.

float: single-precision floating-point type, used to store single-precision floating-point numbers.

double: Double-precision floating-point type, used to store double-precision floating-point numbers.

decimal: decimal floating point type, used to store high-precision decimal floating point numbers.

bool: Boolean type, used to represent true or false.

2. Reference type: Reference type is a complex type. They store references to data instead of directly storing data values. Reference types include the following:

class: Class type, used to define custom classes.

interface: Interface type, used to define custom interfaces.

delegate: Delegate type, used to define delegate functions.

array: Array type, used to store a set of data of the same type.

3. String type: The string type is used to store string data, such as text, characters, etc. The string type in C# is a reference type, which stores a reference to the string instead of directly storing the string data.

4. Date and time types: Date and time types are used to store date and time data, such as year, month, day, hour, minute, second, etc. Date and time types in C# are reference types, which store references to dates and times rather than directly storing date and time data.

5. Null type: The null type represents a special type without any value. When a variable is declared of type null, it does not store any data value.

The above is Some C# data types. In actual development, developers can choose appropriate data types to store and operate data according to needs. At the same time, C# also provides many other data types, such as enumerations, structures, unions, etc., to meet different types of development needs.

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