Flutter widget list

A new array can be created by using the literal constructor [] :

Because Object is a root of the non-nullable Dart class hierarchy , every other non- Null Dart class is a subclass of Object . When you define a class, you should consider overriding toString to return a string describing an instance of that class.

Because Object is a root of the non-nullable Dart class hierarchy , every other non- Null Dart class is a subclass of Object . When you define a class, you should consider overriding toString to return a string describing an instance of that class.

We have 3 steps to convert an Object/List to JSON string:

We have 3 steps to convert an Object/List to JSON string: