Ruby で 抽象クラス/メソッド を作りたい - Qiita

# -*- coding: utf-8 -*- class AbstractClass def my_print puts_string end # 抽象メソッド def puts_string raise "Called abstract method: my_print" end end class SuperClassA < AbstractClass def puts_string puts "a" end end class SuperClassB < AbstractClass def print_string print "a\n" end end c = SuperClassA.new c.my_print c = SuperClassB.new c.my_print

[suginoy]

Javaのinterfaceもどきがやりたいんだよなぁ