python_fn_19 - 8BitsCoding/RobotMentor GitHub Wiki

• 참고사이트

---

python

class Class1(object):
    def method1(self): return 'm1'
c1 = Class1()
print(c1, c1.method1())
 
class Class3(Class1):
    def method2(self): return 'm2'
c3 = Class3()
print(c3, c3.method1())
print(c3, c3.method2())
 
class Class2(object):
    def method1(self): return 'm1'
    def method2(self): return 'm2'
c2 = Class2()
print(c2, c2.method1())
print(c2, c2.method2())

---

ruby

class Cal
  attr_reader :v1, :v2
  attr_writer :v1
  def initialize(v1,v2)
    @v1 = v1
    @v2 = v2
  end
  def add()
    return @v1+@v2
  end
  def subtract()
    return @v1-@v2
  end
  def setV1(v)
    if v.is_a?(Integer)
      @v1 = v
    end
  end
  def getV1()
    return @v1
  end
end
class CalMultiply < Cal
  def multiply()
    return @v1*@v2
  end
end
class CalDivide < CalMultiply
  def divide()
    return @v1/@v2
  end
end
c1 = CalMultiply.new(10,10)
p c1.add()
p c1.multiply()
c2 = CalDivide.new(20, 10)
p c2, c2.add()
p c2, c2.multiply()
p c2, c2.divide()