A list is a way of storing data in a list of order. In other programming, languages like PHP and javascript Array is used as a list. List…

By default, all Dart variables and methods are non-nullable, meaning they can’t be or return null. So, to make a variable or method nullable, meaning to be or…

If you have a class and you override the toString() method, it will return such a string method when the instance/object of the class is printed. Why? when…