package java; public class Circle extends Shape implements Drawing { protected int r; public Circle() { r = 0; } public Circle(int r) { this.r = r; } @Override public double area() { // TODO Auto-generated method stub return Math.PI * r * r; } @Override public int draw() { // TODO Auto-generated method stub System.out.println(title + " : ¿øÀ» ±×¸³´Ï´Ù."); return 1; } }