public class Circle{

public static void main(String args[]){

protected float r;

public float area;

public float perimeter;

public  float pai=3.14l;

area2();

perimeter2();

public static area1 (float r){

float area;

float pai=3.14l

area=r*r*pai;

}

public static perimeter1{

float perimeter;

float pai=3.14l;

float r;

perimeter=2*pai*r;

}

public float area2(float r,float area,float pai){

area=r*r*pai;

return area;

}

public float perimeter2(float perimeter,float pai,float r){  

perimeter=2*pai*r;

return perimeter;

}

}}