var keyword

It is introduced from C# 3.0.

• With the help of var keyword we can declare a local variable (or) method variable.
• var type variable can not be passed as parameter to a method.
• var type variable must be initialized during declaration itself.
• var type variable should not be initialized with null but it can contain reference of object

Advantage of var type variable

• No burden of boxing and unboxing.
• Type safty can be achived.

Usage of var type variable

We can find usage of var type variable while working with LINQ.