इंस्टेंस वेरिएबल और मेथड

class Person
  def initialize(name)
    @name = name
  end
  
  def show_name
    puts @name
  end
end

person1 = Person.new('Alice')
person1.show_name

class Person
  def initialize(name)
    @name = name
  end
  
  def name
    @name
  end
end

person1 = Person.new('Alice')
puts person1.name

class Person
  def initialize(name)
    @name = name
  end
  
  def name=(new_name)
    @name = new_name
  end
end

person1 = Person.new('Alice')
person1.name = 'Bob'
puts person1.name

class Person
  attr_accessor :name
end

person1 = Person.new
person1.name = 'Alice'
puts person1.name

class Person
  attr_reader :name
  attr_writer :age
end

person1 = Person.new
person1.age = 25

class Person
  def initialize(name)
    @name = name
  end
  
  def greet
    puts "Hello, my name is #{@name}!"
  end
end

person1 = Person.new('Alice')
person1.greet