C# VARIABLE:-
C# VARIABLE:-
-variable is name of location where user can store different type date element.
-there are following types of variables used in c#:-
1)numerical variable - int
2)decimal variable - double
3)character variable - char
4)string variable - string
5)boolean variable (true/false)- bool/boolean
EXAMPLE:-
int a;
double b;
char c;
string city;
bool a;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Basicvariable
{
class Program
{
static void Main(string[] args)
{
int a = 10;
Console.WriteLine(a);
Console.ReadKey();
}
}
}
2)
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Basicvariable
{
class Program
{
static void Main(string[] args)
{
int a = 10;
Console.WriteLine(a);
Console.WriteLine("The value of A " + a);
Console.ReadKey();
}
}
}
USER INPUT VARIABLE:-(numerical input)
-in c# programming all types of input is used to ReadLine method.(in place of prompt line)
-in c# accepting all types numerical data with the help of int.Parse()
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Basicvariable
{
class Program
{
static void Main(string[] args)
{
int age;
Console.WriteLine("Enter your age");
age = int.Parse(Console.ReadLine());
Console.WriteLine(age);
Console.ReadKey();
}
}
}
HOW TO INPUT DECIMAL DATA:-
-all types of decimal data is to be input with the help of double.Parse()
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Basicvariable
{
class Program
{
static void Main(string[] args)
{
double cost;
Console.WriteLine("Enter your cost");
cost = double.Parse(Console.ReadLine());
Console.WriteLine("Your cost is" + cost);
Console.ReadKey();
}
}
}
HOW TO INPUT STRING DATA VALUE:-
-in string data value can not used any types parse statement
-string data value directly used ReadLine statement.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Basicvariable
{
class Program
{
static void Main(string[] args)
{
string name;
Console.WriteLine("Enter your Name");
name = Console.ReadLine();
Console.WriteLine("Your name is " + name);
Console.ReadKey();
}
}
}
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