makes sure that an argument is non-null . concode_field_sep int[] DEFAULT_ARGB concode_field_sep int compare concode_elem_sep DefaultPiecewiseTransform1DElement[] checkPreservingElements concode_elem_sep void checkDimension
void function ( final String arg0 , final Object arg1 ) { if ( arg1 == null ) { throw new IllegalArgumentException ( Errors . format ( ErrorKeys . NULL_ARGUMENT_$1 , arg0 ) ) ; } }