Variable declaration and initialization in C#

 

For example: Write a program to declaration and initialization of variable.

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

 

namespace ConsoleApplication5

{

classProgram

{

staticvoid Main(string[] args)

{

int a,b,c;  //variable declaration

a=20;       //Variable initialization

b=30;

c=a+b;

Console.WriteLine("A={0}",a);

Console.WriteLine("B={0}", b);

Console.WriteLine("Addition is={0}", c);

Console.ReadLine();

 

}

}

}

Output: