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package howobjectsbehave;

import java.awt.Color;

import java.awt.Graphics;

public class Hoop {

private SolidEllipse outer, inner;

public Hoop(int x, int y,

int outerDiameter, int innerDiameter) {

outer = new SolidEllipse(x, y, outerDiameter, outerDiameter, Color.BLACK);

int thickness = (outerDiameter - innerDiameter) / 2;

inner = new SolidEllipse(x + thickness, y + thickness,

innerDiameter, innerDiameter, Color.WHITE);

}

public void fill(Graphics g) {

outer.fill(g);

inner.fill(g);

}

public int getX() {

return outer.getX();

}

public void setX(int x) {

int thickness = getThickness();

outer.setX(x);

inner.setX(x + thickness);

}

public int getY() {

return outer.getY();

}

public void setY(int y) {

int thickness = getThickness();

outer.setY(y);

inner.setY(y + thickness);

}

public int getDiameter() {

return outer.getHeight();

}

public int getThickness() {

return inner.getX() - outer.getX();

}

}