Java Code (Stacks) public class StackNode implements Stack { 

//Create an empty stack.

 public StackNode() {} //Check if the stack is currently empty or not. Returns True if Empty, false if not. @Override public boolean empty() {} // Add a new element to the top of the stack. @Override public void push(E element) {} // Remove and return the top element in the stack. Return the front Element @Override public E pop() {} // Get the top element of stack and returns top element. @Override public E top() {}