Key Concepts

Review core concepts you need to learn to master this subject

Array

var scores = [Int]() // The array is empty: []

An array stores an ordered collection of values of the same data type.

Use the initializer syntax, [Type](), to create an empty array of a certain type.

Arrays
Lesson 1 of 2

What you'll create

Portfolio projects that showcase your new skills

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How you'll master it

Stress-test your knowledge with quizzes that help commit syntax to memory

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