C:\src\flutter\bin\cache\dart-sdk\bin\dart.exe --enable-asserts --enable-vm-service:63433 G:\AndroidStudioProjects\SAMPLES\FLUTTER\dart_dili\lib\class.dart
Observatory listening on http://127.0.0.1:63433/HZu2-x6l4Qs=/

lib/class.dart: Warning: Interpreting this as package URI, 'package:dartdili/class.dart'.
lib/class.dart:28:15: Error: Type 'Ogrenci1' not found.
  void kaydet(Ogrenci1 ogrenci) {
              ^^^^^^^^
lib/class.dart:13:25: Error: Method not found: 'OgrenciIslem'.
  var ogrenciIslem =new OgrenciIslem();
                        ^^^^^^^^^^^^
lib/class.dart:28:15: Error: 'Ogrenci1' isn't a type.
  void kaydet(Ogrenci1 ogrenci) {
              ^^^^^^^^

Process finished with exit code 254