Useful Array and Hash Methods
Discover powerful methods like compact, flatten, merge, sort, and keys.
1
Useful Array and Hash Methods
Ruby provides many useful methods to work with Arrays and Hashes efficiently.
In this lesson, you will explore methods like compact, flatten, merge, sort, and keys.
2
Using Compact
The compact method removes nil values from an array.
numbers = [1, nil, 2, nil, 3]
puts numbers.compactAll lessons in this course
- Arrays and Hashes
- Iterating Over Collections
- Useful Array and Hash Methods