java draw a circle with drawoval code example

Example 1: awt draw circle

public void drawCenteredCircle(Graphics2D g, int x, int y, int r) {
  x = x-(r/2);
  y = y-(r/2);
  g.fillOval(x,y,r,r);
}

Example 2: java create circle

// x position, y position, x size, y size.
ellipse(0, 0, 100, 100);