Dart·Practice drills 1

Drill 5: Explain each line — Null safety

Explain what each line of the example does.

Beginner 5 min read Lesson 27 of 150 Challenge included
What you will be able to do
  • Explain what each line of the example does.

Practice task

Explain what each line of the example does.

nulls.dartDART
String? name = null;
final safe = name ?? 'friend';
print('Hello, $safe');
Your turn

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Easy

Explain what each line of the example does.

TEXT · starter
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Lesson 27 of 150 · 0% of course