OOP - Classes
class person:
name = 'Henry'
age = 20
class Employee():
# __init__ is like constructor in JAVA, C++
# it is called when the class is initiated
# __int__ is used to perform operations that are necessary when the object is created
# self parameter references current object (instance) of a class
# self is used to access properties and methods of a class
# without self Python would not know which object's properties being accessed
def __init__(self,name,age=12): #age is provided default value
self.name = name
self.age = age
class office:
def __init__(self,name,address):
self.name = name
self.address = address
def show(self): #method of a class
#print(self.name," ",self.address)
return self.name," ",self.address
def sayhello(self):
print("hello: ",self.show()) # calling method show
#it is not necessary to name self as self, we can give other name also
#but it has become convention to give name self to recognize object of a class
class car:
def __init__(car,model,year):
car.model = model
car.year = year
def show(car):
print(car.model," ",car.year)
class Test:
def __init__(self,name):
self.__name = name
def get_name(self):
return self.__name
if __name__ == '__main__':
test = Test("Julia")
test.__name = "jack"
print(test.get_name())
c = car("Volvo",2025)
c.show()
o = office("ABC","Baneshwor")
o.sayhello()
p = person()
print(p.name," ",p.age)
p.name = "Columbus"
p.age = 30
print(p.name," ",p.age)
# del p # deleting object
print(p.name," ",p.age)
e1 = Employee("Henry",20)
print(e1.name," ",e1.age)