Category: 6. Advance Topics

Every webpage can be considered as object and it exists inside a browser window. We can access the webpage using the web browser and it needed connected to the internet. The DOM is the acronyms of Document object model. A Document object denotes the HTML document that is displayed in that window. The document object model…

Unit testing is a part of the software development process where particular unit/components of an application are tested. Unit testing of each component is necessary to enhance the application performance. We can say that a unit is the smallest testable chunk of a program that can be logically isolated in a system. In various programming…

The Dart concurrency allows us to run multiple programs or multiple parts of a program simultaneously. It executes the several instructions at the same time. Dart provides the Isolates as a tool for doing works for parallel. The concurrency makes the program highly effective and throughput by utilizing the unused capabilities of essential operating system…

Dart Async is related to asynchronous programming. It executes the asynchronous operation in a thread. It ensures that the critical functions to be executed until completion. The asynchronous operation is executed, separately the main application thread. In Dart, one operation cannot interrupt the other operation; it means one operation can execute at a time no…

Dart allows us to asynchronous programming which runs our program without getting blocked. The asynchronous programming is used to achieve concurrency. Dart isolate is a version of the thread. But there is key difference between the common implementation of “Thread” or “Isolates”. The isolate works differently in comparison of Thread. The isolates are independent workers that do not…

Dart provides the facility to call class instances like a function. To make callable class, we need to implement a call() method in it. Let’s understand the following example – Example – 1 Output Explanation: In the above code, We defined a call() function in the class Student that takes two arguments String name, integer age and…

Dart Generator is a unique function that allows us to produce a sequence of values. Generators return values on demand; it means the value is generated when we try to iterate over the iterators. Dart provides built-in support for two types of generator functions. Synchronous Generator It returns an iterable object which carries value synchronously.…

In Dart, the library is the collection of the routine or set of programming instructions. Dart consists of many sets of built-in libraries that are beneficial to hold routines (functions, set of classes, etc.), and regularly used. A Dart library contains constants, functions, properties, exceptions, and typedefs, and set of classes. Importing a library To…

Dart package is the collection of a well-organized, independent, and reusable code unit. Applications might be needed to implement third-party libraries or packages. The package generally contains a set of classes, functions, or unit of code for specific tasks along with the compiled program and sample data. Dart provides an extensive set of default packages…

Dart Generics are the same as the Dart collections, which are used to store the homogenous data. As we discussed in the Dart features, it is an optionally typed language. By default, Dart Collections are the heterogeneous type. In other words, a single Dart collection can hold the values of several data types. However, a Dart…