What is main method in Dart?

The main() function is a predefined method in Dart . This method acts as the entry point to the application. A Dart script needs the main() method for execution. print() is a predefined function that prints the specified string or value to the standard output i.e. the terminal.

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What is void function in Dart?

In a large variety of languages void as return type is used to indicate that a function doesn’t return anything . Dart allows returning null in functions with void return type but it also allow using return; without specifying any value. To have a consistent way you should not return null and only use an empty return.

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What are the functions of Flutter?

A function (also might be referenced to as method in the context of an object) is a subset of an algorithm that is logically separated and reusable . It can return nothing (void) or return either a built-in data type or a custom data type. It can also have no parameters or any number of parameters.

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