    class Employee
    {
        protected long empNum;
        protected long empSal;
        public long EmpNum
        {
            get
            {
                return empNum;
            }
            set
            {
                empNum = value;
            }
        }//end of EmpNum property
        //**************************
        public long EmpSal
        {
            get
            {
                return empSal;
            }
            set
            {
                empSal = value;
            }
        } // end of EmpSal property
