June 2001
Intermediate to advanced
320 pages
8h 32m
English
Content preview from .Net Framework Essentials
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Appendix C. Common Datatypes
Each of
the .NET languages might provide its own keywords for the types it
supports. For example, a keyword for an integer in VB is
Integer, whereas in C# or C++ it is
int; a boolean is Boolean in
VB, but bool in C# or C++. In any case, the
integer is mapped to the the class Int32, and the boolean is mapped
to the class Boolean in the System namespace. Table C-1 lists all simple datatypes common to the .NET
Framework. Non-CLS-compliant types are not guaranteed to interoperate
with all CLS-compliant languages.
Table C-1. Common datatypes
|
Type |
Description |
|---|---|
|
Boolean |
True or false. |
|
Byte |
8-bit unsigned integer: 0 to 255. |
|
Char |
Character. Unicode 16-bit character. |
|
DateTime |
Represents a date and time value. |
|
Decimal |
Can represent positive and negative values with 28 significant digits: 79,228,162,514,264,337,593,543,950,335 through -79,228,162,514,264,337,593,543,950,335. |
|
Double |
Stores 64-bit floating-point values: -1.79769313486231570e308 to 1.79769313486231570e308. |
|
Guid |
Represents a globally unique identifier (GUID). |
|
Int16 |
Stores 16-bit signed integers: -32,768 to 32,767. |
|
Int32 |
Stores 32-bit signed integers: -2,147,483,648 to 2,147,483,647. |
|
Int64 |
Stores 64-bit signed integers: -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807. |
|
SByte |
Represents an 8-bit signed integer. The SByte type is not CLS-compliant. -128 to 127. |
|
Single |
Represents an IEEE 754f, single precision, 32-bit value: -3.40282346638528859e38 to 3.40282346638528859e38. ... |
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