added class_super.rb

class_super.rb

@@ -0,0 +1,27 @@
+#!/usr/bin/ruby
+# class_super.rb
+
+class Rectangle
+
+	def set_dimension length, breadth
+		@length, @breadth = length, breadth
+	end
+
+	def area
+		@length * @breadth
+	end
+
+end
+
+
+class Square < Rectangle
+
+	def set_dimension side_length
+		super side_length, side_length
+	end
+
+end
+
+square = Square.new
+square.set_dim 7
+puts "Area: #{square.area}"

override_methods_super.rb

@@ -0,0 +1,27 @@
+#!/usr/bin/ruby
+# override_methods.rb
+
+class A
+	def belongs_to
+		puts "I belong to in class A"
+	end
+
+	def another_method
+		puts "Just another method in class A"
+	end
+end
+
+class B < A
+	def another_method
+		super
+		puts "Just another method in class B"
+	end
+end
+
+
+a = A.new
+b = B.new
+a.belongs_to
+a.another_method
+b.belongs_to # This is not overriden so method in class A is called
+b.another_method # This is overridden so method in class B is called