The output of the following program with var keyword?

Code

var data = "name";
data = 8;
Console.WriteLine(data);

Options

1. output is 8
2. its does not compile

Answer:

Its does not compile(option 2).

var keyword is implicit type, so once you are declared  as a specific type, then it  has decide the type automatically with right hand side value.so it won't compile.