package rpn.basic;

import java.util.Hashtable;
import rpn.Calculator;

public abstract class ArrayItem extends Item {

	public ArrayItem(Calculator ca) {
		super(ca);
	}
	
	abstract public int size();
	abstract public void put(Item v, int n);
	abstract public Item get(int n);
	
	public String toString() {
		String s = new String("[ ");
		for (int i=0;i<size();i++) {
			s += get(i).toString() + " ";
		}
		s += "]";
		return(s);
	}
}