Ruby

Day 10/Include statement concept/Filly.rb

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+module Week
+  First_Day = 'Sunday'
+
+  def Week.weeks_in_month
+    puts "You have 4 weeks in a month"
+  end
+
+  def Week.weeks_in_year
+    puts "You have 52 weeks in a year"
+  end
+end

Day 10/Include statement concept/Mega.rb

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+# Include Statement
+
+require_relative "Filly.rb"
+
+class Decade
+  include Week
+  $no_of_years = 10
+
+  def no_of_months
+    puts "Today is " + Week::First_Day
+
+    number = $no_of_years * 12
+    puts "No. of months in 10 years is " + number.to_s
+  end
+end
+
+d1 = Decade.new
+
+puts Week::First_Day
+
+Week.weeks_in_month
+Week.weeks_in_year
+
+d1.no_of_months

Day 10/Mixins/Mixins.rb

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+#Module A
+module A
+  def a1
+    puts "We are in a1 method of Module A"
+  end
+
+  def a2
+    puts "We are in a2 method of Module A"
+  end
+end
+
+#Module B
+module B
+  def b1
+    puts "We are in b1 method of Module B"
+  end
+
+  def b2
+    puts "We are in b2 method of Module B"
+  end
+end
+
+class Sample
+  include A
+  include B
+end
+
+s = Sample.new
+s.a1
+s.a2
+s.b1
+s.b2

Day 10/Require & Require Relative/Class_in_modules.rb

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+# class in module
+
+module Mymodule
+  class TestClass
+
+    def initialize
+      puts "TestClass object created"
+    end
+
+    def mymethod
+      puts "It is a user defined method"
+    end
+  end
+end
+
+myobject = Mymodule::TestClass.new
+myobject.mymethod

Day 10/Require & Require Relative/Modules.rb

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+#code for module
+
+module Trig
+  PI = 3.14
+
+  def Trig.sinfunction(x)
+    puts Math.sin(x)
+  end
+  def Trig.cosfunction(x)
+    puts Math.cos(x)
+  end
+end
+
+module Moral
+  Very_bad = 0
+  Bad = 1
+  def Moral.sinfunction(badnesslevel)
+    if (badnesslevel == 0)
+      puts 'You are very bad'
+    else
+      puts 'You are just bad'
+    end
+  end
+end
+
+puts Trig::PI
+Trig.sinfunction(0)
+
+Moral.sinfunction(Moral::Bad)

Day 10/Require & Require Relative/Require_example.rb

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+require_relative 'classinmodules.rb'
+require_relative 'modules.rb'
+
+myobject = Mymodule::TestClass.new
+myobject.mymethod
+
+puts Trig::PI
+
+Trig.sinfunction(0)
+
+Moral.sinfunction(Moral::Bad)

Day 10/Require & Require Relative/Require_relative_example.rb

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+$LOAD_PATH << '.'
+
+require 'classinmodules.rb'
+require 'modules.rb'
+
+myobject = Mymodule::TestClass.new
+myobject.mymethod
+
+puts Trig::PI
+
+Trig.sinfunction(0)
+
+Moral.sinfunction(Moral::Bad)