Syntax rules for writing a destructor function

• Its name is the similar as that of the class to which it belongs, except that the first character of the name is the symbol tilde ( ~ ).
• It is declared with no return type ( not even void ) since it cannot ever return a value.
• It cannot be static, const or volatile.
• It takes no input arguments , and thus cannot be overloaded.
• It should have public access in class declaration.