public static String toPageKey(String id,int pageNumber) {
    """
	*
	
	@param id the ID
	@param pageNumber the page number
	@return the id-pageNumber
    """
		return new StringBuilder().append(id).append("-").append(pageNumber).toString();
	}
public static String toPageKey(String id,int pageNumber)
	{
		return new StringBuilder().append(id).append("-").append(pageNumber).toString();
	}
public static String toPageKey ( String id , int pageNumber ) { return new StringBuilder ( ) . append ( id ) . append ( "-" ) . append ( pageNumber ) . toString ( ) ; }
*

@param id the ID
@param pageNumber the page number
@return the id-pageNumber
*