import java.util.LinkedList;

public class RpnQueue implements ILinkedLists<Character> {

	protected LinkedList<Character> charList;
	
	public RpnQueue() {
	
		charList = new LinkedList<Character>();
	}
	
	public void add(Character e) {
		charList.addLast(e);
	}

	public Character remove() throws EmptyException {
		
		return charList.removeLast();
	}
	
	public Character getLast() {
		return charList.getLast();
	}

	public boolean isEmpty() {

		return charList.isEmpty();
	}

}