Type Inference in C# (Implicitly Typed Local Variable)

Type inference is a new feature in C# 3.0. With Type Inference you allow compiler to determine the type of a local variable at compile time.

private void Form1_Load(object sender, EventArgs e)

{
var strName = "Shalvin";

MessageBox.Show(strName.GetType().ToString());

 
var intPoints = 67;
  
MessageBox.Show(intPoints.GetType().ToString());

  
var dblBalance = 110.50;
  
MessageBox.Show(dblBalance.GetType().ToString());

var cBool = true;
Console.WriteLine(cBool.GetType());

var cDate = DateTime.Now;
Console.WriteLine(cDate.GetType());
}

The first batch of statements creates a memory variable of type System.String.
The Second batch of statements (intPoints) creates a memory variable of type System.Int32.
The third batch of statments (dblBalance) creates a memory variable of type System.Double.
The statement var cBool = true; creates a memory variable of type System.Boolen.
The state var vDate = DateTime.Now; creates a memory variable of type System.DateTime.

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