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Language/Type: C++ classes operator overloading

Write a class of objects named Circle that remembers information about a circle. You must include the following public members. It may help you to know that there is a global constant named PI storing the value of π, roughly 3.14159.

member name description
Circle(r) constructs a new circle with the given radius as a real number
area() returns the area occupied by the circle
circumference() returns the distance around the circle
getRadius() returns the radius as a real number
toString() returns a string representation such as "Circle{radius=2.5}"

You should define the entire class including the class heading, the private member variables, and the declarations and definitions of all the public member functions and constructor.

Class: Write a complete C++ class.

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