Snake.java

// To represent a snake 
import java.util.LinkedList; 

public class Snake { 

	private LinkedList<Cell> snakePartList = new LinkedList<>(); 
	private Cell head; 

	public Snake(Cell initPos) 
	{ 
		head = initPos; 
		snakePartList.add(head); 
	} 

	public void grow() 
	{ 
		snakePartList.add(head); 
	} 

	public void move(Cell nextCell) 
	{ 
		System.out.println("Snake is moving to " + 
			nextCell.getRow() + " " + nextCell.getCol()); 
		Cell tail = snakePartList.removeLast(); 
		tail.setCellType(CellType.EMPTY); 

		head = nextCell; 
		snakePartList.addFirst(head); 
	} 

	public boolean checkCrash(Cell nextCell) 
	{ 
		System.out.println("Going to check for Crash"); 
		for (Cell cell : snakePartList) { 
			if (cell == nextCell) { 
				return true; 
			} 
		} 

		return false; 
	} 

	public LinkedList<Cell> getSnakePartList() 
	{ 
		return snakePartList; 
	} 

	public void setSnakePartList(LinkedList<Cell> snakePartList) 
	{ 
		this.snakePartList = snakePartList; 
	} 

	public Cell getHead() 
	{ 
		return head; 
	} 

	public void setHead(Cell head) 
	{ 
		this.head = head; 
	} 
}