computer science homework

/** * This exception signifies an invalid access on an empty heap.

*/ public class EmptyPQException extends RuntimeException { // assign a version number for serializable class private static final long serialVersionUID = 1L; /** * Empty constructor */ public EmptyPQException() { } /** * Constructor that takes message as parameter * * @param message * the error message */ public EmptyPQException(String message) { super(message); } }