package Lists;

public class Stack<Thing> {

	Node<Thing> first;

	public Stack() {
		first = null;
	}

	public void push(Thing thing){
		this.first = new Node<Thing>(thing, first);
	}

	public Thing pop(){

		Node<Thing> temp = first.getNext();
		this.first = temp;
		return first.getObject();
	}

	public Thing peek(){
		return first.getObject();
	}
	}