Ruby

Day 15/Inheritance-1.rb

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+# Inheritance in Ruby
+
+class Person
+
+    attr_accessor:name, :age, :trait
+
+end
+
+class Sportsman < Person
+
+    attr_accessor:sports
+
+end
+
+sp = Sportsman.new
+
+sp.age = 20
+sp.name = "Filly"
+sp.sports = "Basketball"
+
+puts sp.inspect

Day 15/Inheritance-2.rb

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+# Inheritance in Ruby
+
+class Animal
+
+    attr_accessor:color, :name
+
+end
+
+class Tiger < Animal
+
+    def speak
+        return "Grrrr....!!"
+
+    end
+
+end
+
+tiger = Tiger.new
+
+tiger.color = "Blue"
+
+tiger.name = "Filly"
+
+puts tiger.inspect
+
+puts tiger.speak

Day 15/Inheritance-3.rb

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+# Inheritance in Ruby
+
+class Animal
+
+    attr_accessor:color, :name
+
+    def initialize(name, color)
+
+        @name = name
+
+        @color = color
+
+    end
+
+end
+
+class Tiger < Animal
+
+    def speak
+        return "Grrrr....!!"
+
+    end
+
+end
+
+tiger = Tiger.new("Filly", "Blue")
+
+puts tiger.inspect
+
+puts tiger.speak

Day 15/Inheritance-4.rb

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+# Inheritance in Ruby
+
+class Animal
+
+    attr_accessor:color, :name
+
+end
+
+class Tiger < Animal
+
+    def initialize(name, color)
+
+        @name = name
+
+        @color = color
+
+    end
+
+    def speak
+        return "Grrrr....!!"
+
+    end
+
+end
+
+tiger = Tiger.new("Filly", "Blue")
+
+puts tiger.inspect
+
+puts tiger.speak

Day 15/Inheritance-5.rb

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+# Inheritance in Ruby
+
+class Animal
+
+    attr_accessor:color, :name
+
+    def identify
+
+        return "My name is #{@name} and I am from #{self.class}"
+
+    end
+
+end
+
+class Tiger < Animal
+
+    def initialize(name, color)
+
+        @name = name
+
+        @color = color
+
+    end
+
+    def speak
+        return "Grrrr....!!"
+
+    end
+
+end
+
+tiger = Tiger.new("Filly", "Blue")
+
+animal = Animal.new
+
+puts tiger.inspect
+
+puts tiger.speak
+
+puts tiger.identify
+
+puts animal.inspect
+
+puts animal.identify

Day 15/Inheritance-6_Method_Overriding.rb

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+# Method Overriding - Inheritance in Ruby
+
+class ParentArea
+
+    # Constructor
+    def initialize(w, h)
+
+        @width = w
+        @height = h
+
+    end
+
+    # To calculate the area from Parent Class
+    def getArea
+
+        return "Area from Parent class is #{@width*@height}"
+
+    end
+
+end
+
+class ChildArea < ParentArea
+
+     # To calculate the area from Child Class
+    def getArea
+
+        puts super()
+
+        return "Area from Child class is #{@width*@height}"
+
+    end
+
+end
+
+childobj = ChildArea.new(10, 20)
+
+puts childobj.getArea
+