Arithmetic operators in a class can be overloaded using member functions that require one argument as an object of the class. When using friend functions for overloading, two arguments must be provided. This distinction is crucial for implementing operator overloading correctly.

1. Arithmetic operators
overloaded using member
function of a class must have
one argument as object of
class.
Arithmetic operators
overloaded using friend
function of a class must have
two argument.