app.rb

# strings
# puts 'Hello World'
# puts 'Hello World'
# puts 'Hello World'
# print 'Hello World'
# print 'Hello World'


# arrays
# puts [1, 2, 3].inspect #inspect method
p [1, 2, 3]

pp [{ id: 1, hello: "World" }, { id: 2, hello: "Ruby" }, { id: 3, hello: "Moon" }, { id: 4, hello: "Learner" }]

# user_name = "John"
# age = 30
# gpa = 3.4

# # concatenation
# # puts ("Hello " + user_name + " I understand you've turned " + age + " today")
# puts "Hello #{user_name} you're #{age} years old yet you've attained a gpa of #{gpa}"


# # data types include
# # string, number, floating point numbers/decimals, boolean, nil(null in JS)

# # strings && methods
# animal = 'Fox'

# sentence = "I love #{animal}"

# puts sentence


# # ruby string methods
# puts animal.upcase()
# puts animal.downcase()
# puts animal.strip()
# puts animal.length()

# # boolean
# puts animal.include? "ox"
# puts animal.include? "3"

# array
# puts animal[2] #index
# puts animal[0,2] # range index

# print 'hello'; puts 'world';

# comments
# this is an inline comment


=begin
    this is a 
    multiline 
    comment
    
=end


# puts "This is main Ruby Program"

# # code is called after program runs
# END {
#    puts "Terminating Ruby Program"
# }
# # code is called before program runs
# BEGIN {
#    puts "Initializing Ruby Program"
# }





# 16/10/2022
# num1 = 12

# puts num1