private static boolean deleteEmployee(Employee bean, PreparedStatement stmt) throws SQLException{
		
		stmt.setString(1, bean.getUsername());
		int affected=stmt.executeUpdate();	
		
		if(affected==1){
			System.out.println("Employee with username "+bean.getUsername()+" has been Removed from database.");
		} else {
			System.out.println("unable to remove employee from database");
			return false;
		}	
		return true;
	}