type of data in flutter code example

Example 1: check data type flutter

selector.runtimeType // return data type of the variable

Example:
if (selector.runtimeType == int) print("Hello")

Example 2: data types in flutter

main(List args) {
  int number = 42;
  String name = 'Gurleen Sethi';
  double salary = 150300.56;
  bool isDoorOpen = true;
}