никак не могу понять
package com.javarush.task.task23.task2312;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
public class Snake {
private List sections;
private boolean isAlive;
private SnakeDirection direction;
private SnakeSection head;
public Snake(int x, int y) {
sections = new LinkedList<>();
head = new SnakeSection(x,y);
// sections.add(0,head);
isAlive = true;
}
........