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What is Dart?

Steve answered on June 15, 2021 Popularity 10/10 Helpfulness 2/10

answer What is Dart?

related what means ?? in dart

What is Dart?

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Dart is a general-purpose, object-oriented programming language with C-style syntax.

Popularity 10/10 Helpfulness 2/10 Language dart

Source: Grepper

Tags: dart

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Contributed on Oct 27 2021

Steve

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what means ?? in dart

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// The ?? double question mark operator means "if null"
String a = b ?? 'hello'; // This means a equals b, but if b is null then a equals 'hello'. It is like || in JavaScript

b ??= 'hello'; // If b is null then set it equal to 'hello'. Otherwise, don't change it

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Source: stackoverflow.com

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