Comparison of Data Types in common programming languages

 

 

Win32 types	CLR type
Char, int8, sbyte, char	System. sbyte
Short, short int, int16, short	System. int16
Int, long, long int, int32, long32, bool, int	System. int32
_ Int64, int64, Longlong	System. int64
Unsigned char, uint8, uchar, byte	System. byte
Unsigned short, uint16, ushort, word, Atom, wchar, _ wchar_t	System. uint16
Unsigned, unsigned int, uint32, ulong32, dword32, ulong, DWORD, uint	System. uint32
Unsigned _ int64, uint64, dwordlong, ulonglong	System. uint64
Float, float	System. Single
Double, Long Double, double	System. Double

The following table lists some value types supported by. NET Framework, briefly describes each type, and indicates the corresponding types in the Visual Basic, C #, and C ++ managed extensions. The table also contains items of the object and string classes. These items have corresponding keywords in many languages.

Category	Class Name	Description	Visual Basic Data Type	C # Data Type	C ++ managed Extended Data Type	JScript Data Type
Integer	Byte	An unsigned integer of 8 digits.	Byte	Byte	Char	Byte
	Sbyte	An 8-bit signed integer. Does not match Cls.	Sbyte No built-in type.	Sbyte	Signed Char	Sbyte
	Int16	A 16-bit signed integer.	Short	Short	Short	Short
	Int32	A 32-bit signed integer.	Integer	Int	Int -Or- Long	Int
	Int64	A 64-bit signed integer.	Long	Long	_ Int64	Long
Category	Class Name	Description	Visual Basic Data Type	C # Data Type	C ++ managed Extended Data Type	JScript Data Type
	Uint16	A 16-bit unsigned integer. Does not match Cls.	Uint16 No built-in type.	Ushort	Unsigned short	Uint16
	Uint32	A 32-bit unsigned integer. Does not match Cls.	Uint32 No built-in type.	Uint	Unsigned int -Or- Unsigned long	Uint32
	Uint64	A 64-bit unsigned integer. Does not match Cls.	Uint64 No built-in type.	Ulong	Unsigned _ int64	Uint64
Category	Class Name	Description	Visual Basic Data Type	C # Data Type	C ++ managed Extended Data Type	JScript Data Type
Floating Point	Single	Single precision (32-bit) floating point number.	Single	Float	Float	Float
	Double	Double Precision (64-bit) floating point number.	Double	Double	Double	Double
Logic	Boolean	Boolean (true or false ).	Boolean	Bool	Bool	Bool
Others	Char	Unicode (16-bit) characters.	Char	Char	Wchar_t	Char
	Decimal	96-digit decimal value.	Decimal	Decimal	Decimal	Decimal
	Intptr	The size depends on the signed integer of the basic platform (32-bit platform and 64-bit platform.	Intptr No built-in type.	Intptr No built-in type.	Intptr No built-in type.	Intptr
	Uintptr	The size depends on the unsigned integer of the basic platform (32-bit platform and 64-bit platform ). Does not match Cls.	Uintptr No built-in type.	Uintptr No built-in type.	Uintptr No built-in type.	Uintptr
Class Object	Object	The root of the object hierarchy.	Object	Object	Object *	Object
	String	A fixed-length string of Unicode characters.	String	String	String *	String