public void paintComponent(Graphics g) {
super.paintComponent(g);
//this.g = g;
for(int i =0; i<xSize; i++){
for(int y =0; y<ySize; y++){
g.drawRect(i*FIELDSIZE, y*FIELDSIZE, FIELDSIZE, FIELDSIZE);
}
}//End For-schleifen
for(int i = 0; i<ss.length;i++){
ss[i].paintStone(g);
}: