Metadata in Dart is used to provide additional information about code elements like classes, methods, and variables. It is typically defined using annotations, which are…
Passing data to named routes in flutter involves three main steps:1.Define the Named Route2.Pass Data When Navigating3. Retrieve Data in the Destination Route 1.Define the…
In Dart, a named constructor allows you to create multiple ways to instantiate a class by defining additional constructors with meaningful names. This is useful…
In Flutter/Dart, async and await are used for asynchronous programming, allowing you to write code that performs tasks concurrently without blocking the main thread.async: This…
There are two ways to create nullable variable. 1) Using var keyword, Syntax : var variable_name;2) Using datatypeSyntax : int? variable_name; Nullable variable creation using…
In Dart, typedef is used to define function type aliases, which makes it easier to declare variables, parameters, or return types of functions with specific…
There are two ways to declare variables in dart language.1st: Using ‘var‘ keyword.2nd: Writing the datatype as a prefix. // Using var keyword main(){ var…
In Dart, anonymous functions (also called lambda functions or closures) are functions without a name. They are useful for short-lived operations, especially when passing functions…
