Learn Ruby in One WeekStudy the basics and start solving challenges
Variables in Ruby
Learn how to create, modify, and assign your own variables in Ruby.
Conditionals in Ruby
Learn how to structure logical statements in Ruby.
Functions in Ruby
Learn how to create, modify, and call your own functions in Ruby.
Loops in Ruby
Learn about the different types of loops in Ruby and what you can do with them.
Introduction to strings and characters in Ruby
Learn how to create and manipulate strings in Ruby.
Letter Changes
For this challenge you will be manipulating characters in a string based off their positions in the alphabet.
87025 solutions
Solution
Letter Capitalize
For this challenge you will be capitalizing certain characters in a string.
60204 solutions
Solution
Simple Symbols
For this challenge you will be determining whether or not certain characters are in correct positions.
51255 solutions
Solution
Math functions
How to use common built-in math functions in Ruby.
Modulo operation explained
Some examples of how to use the modulo operation for solving Coderbyte challenges.
First Factorial
For this challenge you will be determining the factorial for a given number.
120223 solutions
Solution
Simple Adding
For this challenge you will be adding up all the numbers from 1 to a certain argument.
70671 solutions
Solution
Check Nums
For this challenge you will be comparing two numbers and determining which one is greater.
51679 solutions
Solution
Time Convert
For this challenge you will be determining the difference in hours and minutes between two given times.
39548 solutions
Solution
Introduction to arrays in Ruby
Learn how to create and manipulate arrays in Ruby with some basic functions.
Introduction to hashes in Ruby
Learn how to create and manipulate hashes in Ruby.
Longest Word
For this challenge you will be determining the largest word in a string.
89179 solutions
Solution
Alphabet Soup
For this challenge you will be sorting characters in a string.
36070 solutions
Solution
Vowel Count
For this challenge you will be counting all the vowels in a string.
16003 solutions
Solution
Word Count
For this challenge you will be determining how many words a sentence contains.
15062 solutions
Solution