// Game Map

    public class GameMap {



        /* Item's ID */

        private final int snakeID = 0,

        mapID = 1,

        borderID = 2,

        appleID = 3;



        /* Game Map */

        private int[][] GameMap;



        /* Snake Object */

        public Snake object;



        /* Apple Pos */

        private int[] applePosition = new int[2];



        public GameMap() {

        }



        /* Map Dimension: 7x7 */

        public void createMap(){

            int[][] map = {

                    {2, 2, 2, 2, 2, 2, 2},

                        {2, 1, 1, 1, 1, 1, 2},

                        {2, 1, 1, 1, 1, 1, 2},

                        {2, 1, 1, 1, 1, 1, 2},

                        {2, 1, 1, 1, 1, 1, 2},

                        {2, 1, 1, 1, 1, 1, 2},

                        {2, 2, 2, 2, 2, 2, 2}

                                };



            this.GameMap = map;

        }



        public boolean setMap(int[] pos, int[] newPos){

            // Remove a old snake pos.

            this.GameMap[pos[0]][pos[1]] = this.mapID;



            // Set a new snake position.

            if (this.GameMap[newPos[0]][newPos[1]] == this.borderID){ // if occur colision then..

                return true;

            } else if (this.GameMap[newPos[0]][newPos[1]] == this.appleID) { // if eat apple then..

                object.setSize();

                createApple();

                this.GameMap[newPos[0]][newPos[1]] = this.snakeID; // new pos.

            } else {

                this.GameMap[newPos[0]][newPos[1]] = this.snakeID; // new pos.

            }

            return false;

        }



        /* Create Snake on the map */

        public void createSnake(){



            int row = (int) Math.random() * this.GameMap.length,

            column = (int) Math.random() * this.GameMap.length;



            if(this.GameMap[row][column] == 1){

                this.GameMap[row][column] = this.snakeID;



                object = new Snake(row, column);

            } else {

                createSnake();

            }

        }



        /* Create Apple on the map */

        public void createApple(){

            int row = (int) Math.random() * this.GameMap.length;

            int column = (int) Math.random() * this.GameMap.length;



            if(this.GameMap[row][column] != 2 && this.GameMap[row][column] != 0){

                this.GameMap[row][column] = this.appleID;



                this.applePosition[0] = row;

                this.applePosition[1] = column;

            } else {

                createApple();

            }

        }



        public int[] getApplePosition(){

            return this.applePosition;

        }



        public int getMapID(int row, int column){

            return this.GameMap[row][column];

        }



    }

// Snake

public class Snake {

    private boolean Live;

    private int size; // implements after.

    private int[] position = new int[2];

    public GameMap pos;



    public Snake(int row, int column){

        this.Live = true;

        this.size = 1;



        this.position[0] = row;

        this.position[1] = column;

    }



    public int[] getPosition() {

        return this.position;

    }



    public void setPosition(int[] newPos){

        pos = new GameMap();

        boolean check = pos.setMap(this.position, newPos);



        if(check == true){

            this.Live = false;

        } else {

            this.position = newPos;



        }

    }



    public void setSize(){

        this.size += 1;

    }



    public boolean isLive() {

        return this.Live;

    }

}