public class Circle extends GeoShape $\{$

private double radius;

public Circle$($String pColor, String pName, double pRadius$)$

$\{$

$//$ write your code here

$//$ set the super class: 'GeoShape' color and name, do not assign values

$//$ set the radius value without assignment statement, use method

$\}$

private void setRadius$($double pRad$)$

$\{$

$//$ write your code here

$//$ assign the radius from pRad

$\}$

public double getArea$()$

$\{$

$//$ write your code here

$//$ return the area of a circle

$//$ hint use 'Math.PI$\text{'}$ to get pi value

$\}$

public double getPerimeter$()$

$\{$

$//$ write your code here

$//$ return the circumference of a circle

$//$ hint use 'Math.PI$\text{'}$ to get pi value

$\}$

$\}$