EmptyListException.java

EmptyListException.java

package edu.cmu.cs771.hw1;

/**
 * Class EmptyListException definition. 
 * @author songluo
 *
 */
public class EmptyListException extends RuntimeException{
        
        /**
         * no-argument constructor
         */
        public EmptyListException(){
                this("List");
        }
        
        /**
         * one-argument constructor
         * @param str the name of List
         */
        public EmptyListException(String str){
                super( "is Empty" );
        }
}