Odd and Even Number Checker in Ruby

In this article I would like to share with you a sample program that will ask the user to give a number and then our program will check if the given number is an odd or even using Ruby as our programming language.

I am currently accepting programming and web development work kindly contact me in the following email address for further details. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental is (034) 4335675.

Sample Program Output

Program Listing

odd_even.rb

# odd_even.rb

# Written By: Mr. Jake R. Pomperada, MAED-IT

# December 13, 2017

# Tool : Ruby and Sublime Text Editor

# Location : Bacolod City, Negros Occidental Philippines

# method to check odd and even numbers

def check_odd_even(input_number)

    if input_number % 2 == 0    

      print "\n\n"

      print "The value #{input_number} is an even number."

      print "\n\n"

   else 

      print "\n\n"            

      print "The value #{input_number} is an odd number."

      print "\n\n"

   end

end

val_input =""

answer = ""

until answer.downcase == "n" do 

print "\n\n"

print "===== ODD AND EVEN NUMBER CHECKER IN RUBY ====="

print "\n\n"

print "Created by Mr. Jake R. Pomperada"

print "\n\n"

print "Give a number : "

val_input = gets.to_i

check_odd_even(val_input)

print "\n"

print "Do you want to continue Y/N ? : "

answer= gets.chop

end  

print "\n\n"

    print "End of Program"

    print "\n\n"