Friday, August 2, 2019

Even and Odd Number Listing Using Hashes in Ruby

Write a program uses hashes that will check and list down the series of even and odd numbers from 1 to 12 to the screen using Ruby programming language.

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Sample Program Output


Program Listing

# even_odd.rb
# Author   : Jake Rodriguez Pomperada,BSCS,MAED-IT
# Date     : July 17, 2019   Tuesday   1:32 PM
# Address  : Bacolod City, Negros Occidental
# Tools    : Eclipse IDE and Ruby Version 2.6.3
# Location : Bacolod City, Negros Occidental  
# Website  : http://www.jakerpomperada.com
# Emails   : jakerpomperada@gmail.com and jakerpomperada@yahoo.com

  print "\n"
  print "\t===== Even and Odd Number Listing Using Hashes ====="
  print "\n\n"

val_num  = {   
    1 => 1,2 =>2,3 =>3,4 =>4,
    5 => 5,6 =>6,7 =>7,8 =>8,
    9 => 9,10 =>10,11 => 11,12 => 12   
    }   
 print("\tList of Even Numbers")
 print("\n\n")
 print("\t")
val_num.each do |key, value|
  if (key % 2 == 0)
    print " #{key} " 
   end    
end
 print("\n\n")
 print("\tList of ODD Numbers")
 print("\n\n")
print("\t")
 val_num.each do |key, value|
   if (key % 2 != 0)
     print " #{key} " 
    end    
 end

 print "\n\n";
 print "\tEnd of Program"






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