import java.awt.*; 

class NoShape extends Shape {
    NoShape(World world) {
    super(world); 
    this.color = new Color(0, 0, 0); 
    this.coords = new int[][]    { { 0, 0 },   { 0, 0 },   { 0, 0 },   { 0, 0 } };
  } 
}