what does the circular brackets "()" indicates in main()

Question

can there be any thing inside of the main ( __ )

Answer 1

parentheses in this case signify a method. in some languages with a main method, it has optional or mandatory parameters. if you're talking c/c++, by default main doesn't have any parameters, but you can add some to signify command line arguments

Answer 2

What language...

Answer 3

cpp sry ...

Answer 4

what is main method

Answer 5

Shreyas chimote the method which is executed upon program startup