package stringstack;
import java.util.*;
public class StringStack {
	private LinkedList<String> linkedList;
	public StringStack(){
		linkedList=new LinkedList<String>();
	}
	public void push(String name){
		linkedList.addFirst(name);
	}
	public String top(){
		return linkedList.getFirst();
	}
	public String pop(){
		return linkedList.removeFirst();
	}
	public boolean isEmpty(){
		return linkedList.isEmpty();
	}

}