Create a circle class

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Reference no: EM13160254

create acircle class, which has one field, the radius. the class should contains two constructors: a no-argument constructor that set the radius to zero, and a constructor that takes a parameter to set the radius. the class should have four method: one to get the radius, another to set the radius, another to get the area and another to get the circumference. you should also create a class demo that creates an object of the circle class, asks the user for a radius, sets the radius of the object, and calculates the area and circumference using the object methods. 

Reference no: EM13160254

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