Hello, Please I tried printing a variable value along with a string with cout. Cout<< var "Is the answer"; help please

Answer 1

cout << var << " is the answer.";

Answer 2

cout << var << " is the answer" << endl;

Answer 3

u do not have to write << end .it is like \n. for next line.

Answer 4

int main(){
cout<< "Hallo";
}
is it like that ?