Showing posts with label Positive and Negative Numbers Using Hashes in Ruby. Show all posts
Showing posts with label Positive and Negative Numbers Using Hashes in Ruby. Show all posts

Friday, August 2, 2019

Positive and Negative Numbers Using Hashes in Ruby

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

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Sample Program Output


Program Listing

# positive_negative.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===== Positive and Negative Numbers 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 Postive Numbers")
 print("\n\n")
 print("\t")
val_num.each do |key, value|
  if (value >=0)
    print " #{value} " 
   end    
end
 print("\n\n")

 print("\tList of Negative Numbers")
 print("\n\n")
print("\t")
 val_num.each do |key, value|
   if (value < 0)
     print " #{value} " 
    end    
 end

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