//: annotations/StackL.java
// A stack built on a linkedList.
package annotations;
import java.util.*;

public class StackL<T> {
  private LinkedList<T> list = new LinkedList<T>();
  public void push(T v) { list.addFirst(v); }
  public T top() { return list.getFirst(); }
  public T pop() { return list.removeFirst(); }
} ///:~