Module 2 Beginner Ruby 3.4

Arrays

Ruby 3.4

Master Ruby arrays with powerful built-in methods for data manipulation.

Exercise (6)

First and Last

Get the first and last elements of an array.

10 points arrays first

Double Each

Transform each element in an array.

15 points arrays map

Select Evens

Filter an array to keep only even numbers.

15 points arrays select

Find Maximum

Find the largest element in an array.

10 points arrays max

Symbol to Proc

Learn the &:method shorthand for calling methods on each element.

15 points arrays symbol to proc

Find First Match

Use find to get the first element matching a condition.

15 points arrays find

Lesson Info

Beginner: Beginner
Exercise: 6
Total Points: 80
Ruby Version: 3.4

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