import java.awt.*;

public class Circle
{
    private int centerX, centerY, radius;
    private Color color;

    public Circle(int x, int y, int r, Color c) {
        centerX = x;
        centerY = y;
        radius = r;
        color = c;
    }

    public void draw(Graphics g) {
        Color oldColor = g.getColor();
        g.setColor(color);
        g.drawOval(centerX - radius, centerY - radius,
            radius * 2, radius * 2);
        g.setColor(oldColor);
    }

    public void fill(Graphics g) {
        Color oldColor = g.getColor();
        g.setColor(color);
        g.fillOval(centerX - radius, centerY - radius,
            radius * 2, radius * 2);
        g.setColor(oldColor);
    }

    public boolean containsPoint(int x, int y) {
        int xSquared = (x - centerX) * (x - centerX);
        int ySquared = (y - centerY) * (y - centerY);
        int radiusSquared = radius * radius;
        return xSquared + ySquared - radiusSquared <= 0;
    }

    public void move(int xAmount, int yAmount) {
        centerX += xAmount;
        centerY += yAmount;
    }
}