what is the mean of into{0} which is used in printing satament

Question

it is usesd in Console. WriteLine()

Answer 1

may be its allocated some memmory for store temp values

Answer 2

can you explain with the help of example please

Answer 3

For example:
Console.WriteLine("The result is {0}", x);
[the result is stored in x]

Answer 4

Its just for format Console.WriteLine("First name : {0} , Last name : {1} ",john,cena);

output:
First name : john , Last name : cena

Answer 5

Console.WriteLine("I really like {0}, She's the best!, girlfriend);
// This is the same as the following.
Console.WriteLine("I really like " + girlfriend + ", She's the best!");