//save as CircleInter.java
package circlimplmnt.example
interface Drawable{
  static int thickness = 2;
  public void draw(String color);
  public void erase(int p1, int p2, int p3, int p4);
}

public class Circle implements Drawable{
  private String color;

  @Override
  public void draw(String color){
    System.out.println(“Draw a default size color”);
  }

  @Override
  public void erase(int p1, int p2, int p3, int p4){
    system.out.println(“erase area between p1, p2, p3, p4”)
  }

  // And here will be getter and setter methods for variable “color”
}