Source of 6.4.java

Structures and functions

  1: // @author Frank M. Carrano, Timothy M. Henry
  2: // @version 5.0
  3: public T peek()
  4: {
  5:    if (isEmpty())
  6:       throw new EmptyStackException();
  7:    else
  8:       return topNode.getData();
  9: } // end peek