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DATATYPE IN C# CSHARP.net
C# has several built-in datatypes that specify the size and type of data. The main datatypes are integral (int, long, etc.), floating point (float, double), character (char, string), and other types like boolean and datetime. Integral types store integers of different sizes like byte, short, int. Floating point types store fractional values like float and double. Character types store character and string values. Other types include boolean to store true/false values and datetime for dates/times. The document provides details on the range and default values of common C# datatypes.
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DATATYPE IN C# CSHARP.net
- 1. Datatypes in C#(CSharp).net Brought to you by www.SiryMedia.in
- 2. • It specifiessize of the data& type of the data • syntax: • datatype var=value; • int i=100; • string s="sireesh"; • float f=121554.6f; • Datatypes are classified into 4 types • 1.integral datatypes • 2.floating datatypes • 3.character datatypes • 4.other datatypes • 1.integral datatypes: sbyte, byte, short, ushort, int, uint, long, ulong, char etc • Byte = 1 byte(8 bites-0-255) • int = 4 bytes • Short = 2 bytes • long = 8 bytes
- 3. • 2.floating datatypes:float, double, decimal datatypes etc... • float=4 bytes • double=8 bytes • decimal=16 bytes • 3.character datatypes: char, string datatypes... • char=2bytes • ascii values(A----Z)(65......90) • string =16 bytes • 4.other datatypes: • boolean, datetime datatype etc... • Boolean = 1 byte=true/false • Datetime = 12 bytes
- 4. Type Represents RangeDefault Value bool Boolean value True or False False byte 8-bit unsigned integer 0 to 255 0 char 16-bit Unicode character U +0000 to U +ffff '0' decimal 128-bit precise decimal values with 28-29 significant digits (-7.9 x 10 28 to 7.9 x 10 28 ) / 10 0 to 28 0.0M double 64-bit double-precision floating point type (+/-)5.0 x 10 -324 to (+/-)1.7 x 10 308 0.0D float 32-bit single-precision floating point type -3.4 x 10 38 to + 3.4 x 10 38 0.0F int 32-bit signed integer type -2,147,483,648 to 2,147,483,647 0 long 64-bit signed integer type -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807 0L
- 5. sbyte 8-bit signedinteger type -128 to 127 0 short 16-bit signed integer type -32,768 to 32,767 0 uint 32-bit unsigned integer type 0 to 4,294,967,295 0 ulong 64-bit unsigned integer type 0 to 18,446,744,073,709,551,615 0 ushort 16-bit unsigned integer type 0 to 65,535 0
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