package JEG_SKAL_BLI_PRO;

import java.util.ArrayList;

public class Moves {
	private ArrayList<Integer[]> list = new ArrayList<Integer[]>();
	
	public Moves() {
		
	}
	
	public Integer[] pop() {
		if(list.size() < 1) return new Integer[]{0, 0}; // empty stack
		
		Integer[] lastMove = list.get(list.size()-1);
		list.remove(list.size()-1);
		
		return lastMove;		
	}
	
	public void push(Integer[] move) {
		list.add(move);
	}
	
	public void printMoves() {
		for(int i=0;i < list.size();i++) {
			int y = list.get(i)[0];
			int x = list.get(i)[1];
			
			System.out.println((i+1)+": Queen placed at: "+y+","+x);
		}
	}
	
	public int length() {
		return list.size();
	}
	
}