📅  最后修改于: 2022-03-11 14:48:04.708000             🧑  作者: Mango
class CustomException implements Exception {
String cause;
CustomException(this.cause);
}
void main() {
try {
throwException();
} on CustomException {
print("custom exception is been obtained");
}
}
throwException() {
throw new CustomException('This is my first custom exception');
}