Introduction - If you have any usage issues, please Google them yourself
/* Create a Circle class that contains the data members Radius (radius) and set the radius of the function set, get access to a function of radius and calculate the perimeter and area of the function. Then define the main function main, has five elements Circle create an array of objects, they are set to the radius of 1-5, and then calculate the perimeter and area of each circle.* /