Home » Ruby programming

Ruby programs/examples

Ruby programs/examples: In this section there are the set of the solved programs/examples of Ruby programming language with output and explanation.

Ruby basic programs

1. Ruby program to print Hello World!
2. Ruby program to add two integer numbers
3. Ruby program to find the area of the rectangle
4. Ruby program to check leap year
5. Ruby program to print power of a number
6. Ruby program to print Fibonacci series
7. Ruby program to check whether the given number is prime or not
8. Ruby program to find factorial of a given number
9. Ruby program to find number of characters in a string (string length)
10. Ruby program to reverse a string
11. Ruby program to reverse a string | Set 2
12. Ruby program to count the number of words in a string
13. Ruby program to print an array as string
14. Ruby program to check whether a variable is defined or not
15. Ruby program to check whether the hash contains specified key or not
16. Ruby program to convert the string into lowercase and uppercase
17. Ruby program to check whether a string contains a substring or not
18. Ruby program to generate random numbers
19. Ruby program to print an array
20. Ruby program to check whether an element exists in an array or not
21. Ruby program to calculate the sum of all even numbers
22. Ruby program to calculate the sum of all odd numbers up to N
23. Ruby program to count the number of digits in a number
24. Ruby program to print multiplication table of a number
25. Ruby program to sort an array with command line arguments

Ruby set programs

1. Print the elements of a set in Ruby
2. Find the length of a set in Ruby
3. Check the presence of an element in the set in Ruby
4. Join all the elements of two sets in Ruby
5. Find the common elements from two sets in Ruby
6. Find the difference between two sets in Ruby
7. Merge two sets in Ruby
8. Check whether the set is empty or not in Ruby
9. Delete and replace an element from the set in Ruby

Ruby hash programs

1. How to check if a hash key exists in Ruby?
2. How to add elements to a Hash in Ruby?