package dao;
 
import java.util.ArrayList;
import java.util.Collections;
 
import model.Stack;
 
public class StackDao {
 
	private static ArrayList<Stack> stacks = new ArrayList<Stack>();
 
	public static ArrayList<Stack> getAllStacks() {
		return new ArrayList<Stack>(stacks);
	}
 
	public static void storeStack(Stack stack) {
		stacks.add(stack);
	}
 
	public static void deleteStack(Stack stack) {
		stacks.remove(stack);
	}
	public static void sort(){
		Collections.sort(stacks);
	}
}