There are: Sbyte 1 byte signed integer byte 1 byte unsigned integer Short 2 bytes signed integer ushort 2 bytes unsigned integer Int 4 bytes signed integer Uint 4 bytes unsigned integer Long 8 bytes signed integer Ulong 8 bytes unsigned integer floating point type: float 4 bytes. IEEE single-precision floating-point number double 8-byte IEEE double-precision floating-point number decimal 16-byte floating-point number and bool Boolean type. Character type and string type.