Answers for "how to take multiple text widget in container in flutter"

flutter multiline text field

new TextField(
  keyboardType: TextInputType.multiline,
  maxLines: whatever,
)

how to put multiple text field in a body in flutter

  getItemAndNavigate(BuildContext context){
    Navigator.push(
        context,
        MaterialPageRoute(
          builder: (context) => SecondScreen(
            nameHolder : name.text,
            classHolder : studentClass.text,
            numberHolder : phoneNumber.text
        ))
      );
  }