question: public MediaSize ( int x , int y , int units , MediaSizeName media ) { super ( x , y , units ) ; if ( x > y ) { throw new IllegalArgumentException ( "X dimension > Y dimension" ) ; } if ( media != null && mediaMap . get ( media ) == null ) { mediaName = media ; mediaMap . put ( mediaName , this ) ; } sizeVector . add ( this ) ; }
target:  Construct a new media size attribute from the given integer values.