returns a string representation of the directed edge . concode_field_sep int v concode_elem_sep int w concode_elem_sep double weight concode_field_sep double weight concode_elem_sep int from concode_elem_sep void main concode_elem_sep int to
String function ( ) { return v + "srini_string" + w + "srini_string" + String . format ( "srini_string" , weight ) ; }