public FieldsQuery(SrndQuery q, String fieldName, char fieldOp) {this.q = q;fieldNames = new ArrayList<>();fieldNames.add(fieldName);this.fieldOp = fieldOp;}

public FieldsQuery(SrndQuery q, string fieldName, char fieldOp){this.q = q;var fieldNameList = new List<string>();fieldNameList.Add(fieldName);this.fieldNames = fieldNameList;this.fieldOp = fieldOp;}
