import java.io.*;

public class circle{

private double radius;
private final double PI = 3.14;

public circle()
 {
}


public circle(double r)
 {
 }

public void setRadius(double r)
{

}

public void printArea()
 {


 }

public double getArea()
 {

 }

public void printCircumference()
 {

 }

public double getCircumference()
 {

 }

}