Google Dart Interview Questions

Google Dart is a client-optimized programming language that is used to develop fast apps on multiple platforms such as mobile, desktop, server, and web applications. Dart is an object-oriented open-source, class-based, garbage-collected general-purpose programming language that uses C-style syntax. It was originally developed by Google and later on approved as a standard by ECMA. Dart meant for the server as well as the browser

The major features of Google Dart are as follows:

• It can spread operator for expanding collections.
• It can customizing UI for each platform.
• It is easy to learn, with a familiar syntax.

The ways to execute a Dart Program are as follows;

• Command line
• Dart console applications

Data types of Dart programming language are listed below:

• Strings: The keyword String is used to represent string values.
• Booleans: bool keyword is used to represent a Boolean value.
• Lists: It is represented by predefined List classes.
• Maps: It is represented by predefined Map classes.
• The Dynamic Type: The dynamic keyword used as a type annotation explicitly.

In Dart, Type checking is the process of verifying and enforcing the constraints of types that can occur either at compile-time (i.e. statically) or at runtime (i.e. dynamically).

In Dart, Typedef is used to create a user-defined identity (alias) for a function. In the program code that identity can be used in place of the function. typedef is used to define the parameters of the function. It can also assign a function to the variable.