what is logic behind gameField[y][x]=new GameObject(x,y);

package com.codegym.games.minesweeper; import com.codegym.engine.cell.*; public class MinesweeperGame extends Game{ private static final int SIDE=9; private GameObject gameField[][]=new GameObject[SIDE][SIDE]; public void initialize(){ setScreenSize(SIDE,SIDE); createGame(); } private void createGame(){ for(int x=0;x<SIDE;x++){ for(int y=0;y<SIDE;y++){ gameField[y][x]=new GameObject(x,y); setCellColor(x,y,Color.ORANGE); } } } } }