computer science homework

/** * Interface for a stack of primitive doubles.

* CPS 350 * * NOTE: You will * need to write something better for your implementations.

*/ public interface DStack { /** * is empty?

*/ public boolean isEmpty(); /** * push */ public void push(double d); /** * pop * @return the deleted value * @throws EmptyStackException if stack is empty */ public double pop(); /** * peek * @throws EmptyStackException if stack is empty */ public double peek(); }