Odd and Even Number Checker Using Methods in Ruby

Write a program using if-else statement to ask the user to give a number and then the program will check and determine if the given number by the user is odd or even number and displays the results on the screen using methods

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Sample Program Output

Program Listing

odd_even.rb

# odd_even.rb

# Author   : Jake Rodriguez Pomperada,BSCS,MAED-IT

# Date     : June 19, 2019   Wednesday  1:31 AM

# 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@gmai.com and jakerpomperada@yahoo.com

def check_odd_even(num_val)

  if(num_val % 2 == 0)

     print("\tThe given number #{num_val} is a EVEN number.");

  else    

     print("\tThe given number #{num_val} is a ODD number.");

  end  

end

puts "\n\n"

print "\tOdd and Even Number Checker";

puts "\n\n"

print "\tGive a number  : ";

num = gets.chomp

num = num.to_i;

print "\n";

print "\t===== DISPLAY RESULT ====="

print "\n\n";

check_odd_even(num);

print "\n\n";

print "\tEND OF PROGRAM";

print "\n\n";