SrdjanCoric

a = 'hello'
b = a
a = 'goodbye'

SrdjanCoric

a = 'hello'
b = a
a = 'goodbye'

SrdjanCoric

a = 4

loop do
  a = 5
  b = 3
  break
end

puts a
puts b

SrdjanCoric

a = 4
b = 2

loop do
  c = 3
  a = c
  break
end

puts a

SrdjanCoric

a = 4
b = 2

2.times do |a|
  a = 5
  puts a
end

puts a
puts b

SrdjanCoric

a = 4
b = nil

loop do
  a = 5
  b = 3
  break
end

puts a

SrdjanCoric

a = 4
b = 2

2.times do |_|
  a = 5
  puts a
end

puts a
puts b

SrdjanCoric

a = 'hello'

puts a # -> hello
puts a.object_id # -> 70368527757720 (this number will be different for you)

a.upcase! 

puts a # -> HELLO
puts a.object_id  # -> 70368527757720 (this number will be the same as the one above)

SrdjanCoric

a = 'hello'

puts a # -> hello
puts a.object_id # -> 70368468160540 (this number will be different for you)

a.upcase 

puts a # -> hello
puts a.object_id  # -> 70368468160540 (this number will be the same as the one above)

SrdjanCoric

a = 'name'

b = 'name'

c = 'name'

# Are these three local variables pointing to the same object?

puts a.object_id
puts b.object_id