C# Variables,How to declare in C#:
What is C# Variables how to declare in C#:
C# Variables:
Available is a name given to a storage area (memory) that
our programs can manipulate. Each variable in C# has a specific type( variable
type, or you can say data type), which determines the size and layout of the
variable in memory; the range of values
that can be stored within that memory.
We have already discussed various data types. The basic
value types provided in C# can be categorized as:
C# Variable Type :
- Integral types :-Sbyte, byte, short, ushort, int, uint, long, ulong and char
- Floating point types:- Float and double
- Decimal types :- Decimal
- Boolean types :- True or false values, as assigned
- Nullable types :- Nullable data types
C# also allows defining (declare) other value types of
variable like reference types of variables and enum type. reference types like class.
Variable Definition or declare in C# language:
C# Variables |
Syntax in C# Variable is:
<data_type> <variable_list>;
Here, data_type must be a valid C# data type including char,
float, double,int, or any
user-defined etc.and variable_list may consist of one or more names separated by commas.
Some valid C# variable Example are here:
char c, ch;
int i, j, k;
float f, salary;
double d;
Variable Initialization in C# :
Variable initialize means assigned a value to variable with
an equal sign. The general form of initialization is.
variable_name = value;
Variables can be initialized in time of their declaration.
The initializer consists of an equal sign.
<data_type> <variable_name> = value;
Some examples of variable initialization are:
int d = 3, f = 5;
byte z = 22;
double pi = 3.14159;
char x = 'x';
Examples of variable initialization in C# :
class Program
{
static void
Main(string[] args)
{
short a;
int b ;
double c;
/* actual
initialization */
a = 10;
b = 20;
c = a + b;
Console.WriteLine("a = {0}, b = {1}, c =
{2}", a, b, c);
Console.ReadLine();
}
}
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