can we use printf instead of console.writeline

Answer 1

No.
printf is used in c programming c# is totally different from c.

Answer 2

to print something in C# we have to use the Console.writeline keyword not printf

Answer 3

If you would like to use printf, you can make and overload methods to get the same results.

Answer 4

printf is c and this is c#. therefore it won't be correct