Introduction to Dart language

Dart is an open-source programming language developed by Google. It is a general-purpose language that has been designed to help developers build complex, high-performance web, mobile, and server applications. It is an object-oriented, class-based language that allows developers to create applications with a more readable and efficient syntax than traditional languages.

The Dart language architecture is based on a set of core libraries, which provide the building blocks for applications. These libraries include the core language, the core standard library, and the core concurrency library. The core language includes syntax, types, and classes that are used to build applications. The core standard library provides basic functions and data structures for application development. The core concurrency library provides support for asynchronous programming and for running multiple tasks concurrently.

The Dart language also includes a set of tools and frameworks, such as the Dart VM, the Dart Editor, and the Dart Development Kit. The Dart VM is a virtual machine that runs the Dart code, while the Dart Editor is an integrated development environment (IDE) for writing and debugging Dart code. The Dart Development Kit is a set of tools that help developers build, test, and deploy their applications.

In addition to its core libraries and tools, Dart also provides an extensive set of third-party libraries that can be used to build applications. These libraries provide powerful features, such as support for web development, mobile development, machine learning, and game development.

Overall, Dart is a powerful and versatile language that allows developers to create complex and high-performance applications. Its core libraries, tools, and frameworks provide the building blocks for modern applications, while its third-party libraries make it easy to add powerful features.

Data types in Dart

There are several data types in Dart, including:

1. Numbers:

int x = 5; //Integer
double y = 3.14; //Double

2. Strings:

String name = ''; //String

3. Boolean:

bool isValid = true; //Boolean

4. Lists:

List shoppingList = ['apples', 'oranges', 'bananas']; //List

5. Maps:

Map userInfo = {'name': 'John', 'age': 25}; //Map

6. Runes:

Rune heart = '\u{2764}'; //Rune

7. Symbols:

Symbol s = #Symbol; //Symbol

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