|
Data Type
|
Storage Allocation
|
Value Range
|
|
Boolean
|
Depends on implementing platform
|
True or False
|
|
Byte
|
1 byte
|
0 through 255 (unsigned)
|
|
Char
|
2 bytes
|
0 through 65535 (unsigned)
|
|
Date
|
8 bytes
|
0:00:00 (midnight) on January 1, 0001 through 11:59:59 PM on December 31, 9999
|
|
Decimal
|
16 bytes
|
0 through +/-79,228,162,514,264,337,593,543,950,335 (+/-7.9...E+28) with no decimal point; 0 through +/-7.9228162514264337593543950335 with 28 places to the right of the decimal
|
|
Double
|
8 bytes
|
-1.79769313486231570E+308 through -4.94065645841246544E-324, for negative values
4.94065645841246544E-324 through 1.79769313486231570E+308, for positive values
|
|
Integer
|
4 bytes
|
-2,147,483,648 through 2,147,483,647 (signed)
|
|
Long
|
8 bytes
|
-9,223,372,036,854,775,808 through 9,223,372,036,854,775,807(signed)
|
|
Object
|
4 bytes on 32-bit platform
8 bytes on 64-bit platform
|
Variable of type ‘object’ can be used to store any type.
|
|
SByte
|
1 byte
|
-128 through 127 (signed)
|
|
Short
|
2 bytes
|
-32,768 through 32,767 (signed)
|
|
Single
|
4 bytes
|
-3.4028235E+38 through -1.401298E-45 for negative values;
1.401298E-45 through 3.4028235E+38 for positive values
|
|
String
|
Depends on implementing platform
|
0 to approximately 2 billion Unicode characters
|
|
UInteger
|
4 bytes
|
0 through 4,294,967,295 (unsigned)
|
|
ULong
|
8 bytes
|
0 through 18,446,744,073,709,551,615 (unsigned)
|
|
User-Defined
|
Depends on implementing platform
|
Each structure component has a range determined by its data type and is independent of the ranges of the other members.
|
|
UShort
|
2 bytes
|
0 through 65,535 (unsigned)
|