Hướng dẫn python nested class - lớp lồng nhau python
Python là ngôn ngữ lập trình hướng đối tượng, mọi thứ trong Python đều liên quan đến các đối tượng, phương thức và thuộc tính. Một lớp là bản thiết kế do người dùng xác định hoặc nguyên mẫu mà chúng ta có thể sử dụng để tạo các đối tượng của một lớp. Lớp được xác định bằng cách sử dụng từ khóa lớp.is an Object-Oriented Programming Language, everything in python is related to objects, methods, and properties. A class is a user-defined blueprint or a prototype, which we can use to create the objects of a class. The class is defined by using the class keyword.is an Object-Oriented Programming Language, everything in python is related to objects, methods, and properties. A class is a user-defined blueprint or a prototype, which we can use to create the objects of a class. The class is defined by using the class keyword. Show
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Ví dụ về lớp học Python3Name: Green Name: Light Green Code: 024avc38 Name: Green Name: Light Green Code: 024avc39 Name: Green Name: Light Green Code: 024avc40 Name: Green Name: Light Green Code: 024avc41__ Name: Green Name: Light Green Code: 024avc0 Trước hết, chúng ta phải hiểu phương pháp tích hợp __init __ () để hiểu ý nghĩa của các lớp. Bất cứ khi nào lớp được bắt đầu, một phương thức là __init __ () luôn được thực thi. Phương thức __init __ () được sử dụng để gán các giá trị cho các thuộc tính đối tượng hoặc để thực hiện phương thức khác cần thiết để hoàn thành khi đối tượng được tạo. Ví dụ: Lớp có phương thức __init __ ()class with __init__() methodclass with __init__() method Python3Name: Green Name: Light Green Code: 024avc38 Name: Green Name: Light Green Code: 024avc2 Name: Green Name: Light Green Code: 024avc3 Name: Green Name: Light Green Code: 024avc4 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc6 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc8 Name: Green Name: Light Green Code: 024avc43 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()0 Name: Green Name: Light Green Code: 024avc5 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()22____9 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()4 Name: Green Name: Light Green Code: 024avc3 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()6 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc6 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()9 Name: Green Name: Light Green Code: 024avc70 Name: Green Name: Light Green Code: 024avc71 Name: Green Name: Light Green Code: 024avc72 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc74 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()9 Name: Green Name: Light Green Code: 024avc70 Name: Green Name: Light Green Code: 024avc77 Name: Green Name: Light Green Code: 024avc72 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc70 Name: Green Name: Light Green Code: 024avc71 Name: Green Name: Light Green Code: 024avc43 Name: Green Name: Light Green Code: 024avc73 Name: Green Name: Light Green Code: 024avc74 Output: Name: Green Name: Light Green Code: 024avc1 Lớp bên trong ở Pythonclass2# create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass() 9 In outer class Name: Doctor Name: Dr. Savita Degree: BDS Name: Dr. Amit Degree: DM 0Name: Green Name: Light Green Code: 024avc07In outer class Name: Doctor Name: Dr. Savita Degree: BDS Name: Dr. Amit Degree: DM 2Name: Green Name: Light Green Code: 024avc5Name: Green Name: Light Green Code: 024avc10inner class or nested class. If an object is created using child class means inner class then the object can also be used by parent class or root class. A parent class can have one or more inner classes but generally inner classes are avoided. Name: Green Name: Light Green Code: 024avc19 Example:
Python3Name: Green Name: Light Green Code: 024avc38Ví dụ về lớp học Name: Green Name: Light Green Code: 024avc382 Name: Green Name: Light Green Code: 024avc38 Name: Green Name: Light Green Code: 024avc39 Name: Green Name: Light Green Code: 024avc382 Name: Green Name: Light Green Code: 024avc40 Name: Green Name: Light Green Code: 024avc41__ Name: Green Name: Light Green Code: 024avc382Trước hết, chúng ta phải hiểu phương pháp tích hợp __init __ () để hiểu ý nghĩa của các lớp. Bất cứ khi nào lớp được bắt đầu, một phương thức là __init __ () luôn được thực thi. Phương thức __init __ () được sử dụng để gán các giá trị cho các thuộc tính đối tượng hoặc để thực hiện phương thức khác cần thiết để hoàn thành khi đối tượng được tạo. Ví dụ: Lớp có phương thức __init __ ()class with __init__() method Name: Green Name: Light Green Code: 024avc2 Name: Green Name: Light Green Code: 024avc3 Name: Green Name: Light Green Code: 024avc4 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc6 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc8 Name: Green Name: Light Green Code: 024avc43 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()0 Name: Green Name: Light Green Code: 024avc5 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()22____9 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()4 Name: Green Name: Light Green Code: 024avc3 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()6 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc6 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()9 Name: Green Name: Light Green Code: 024avc70 Name: Green Name: Light Green Code: 024avc71 Name: Green Name: Light Green Code: 024avc72 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc74 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()9 Name: Green Name: Light Green Code: 024avc70 Name: Green Name: Light Green Code: 024avc77 Name: Green Name: Light Green Code: 024avc72 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc70 Name: Green Name: Light Green Code: 024avc71 Name: Green Name: Light Green Code: 024avc43 Name: Green Name: Light Green Code: 024avc73 Name: Green Name: Light Green Code: 024avc74 Name: Green Name: Light Green Code: 024avc382 Name: Green Name: Light Green Code: 024avc38 Name: Green Name: Light Green Code: 024avc39 Name: Green Name: Light Green Code: 024avc382 Name: Green Name: Light Green Code: 024avc40 Name: Green Name: Light Green Code: 024avc41__ Name: Green Name: Light Green Code: 024avc382Trước hết, chúng ta phải hiểu phương pháp tích hợp __init __ () để hiểu ý nghĩa của các lớp. Bất cứ khi nào lớp được bắt đầu, một phương thức là __init __ () luôn được thực thi. Phương thức __init __ () được sử dụng để gán các giá trị cho các thuộc tính đối tượng hoặc để thực hiện phương thức khác cần thiết để hoàn thành khi đối tượng được tạo. Ví dụ: Lớp có phương thức __init __ ()class with __init__() method Name: Green Name: Light Green Code: 024avc382 Name: Green Name: Light Green Code: 024avc2 Name: Green Name: Light Green Code: 024avc3 Name: Green Name: Light Green Code: 024avc4 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc6 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc8 Name: Green Name: Light Green Code: 024avc43 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()0 Name: Green Name: Light Green Code: 024avc5 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()22____9 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()4 Name: Green Name: Light Green Code: 024avc3 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()6 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc6 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()9 Name: Green Name: Light Green Code: 024avc70 Name: Green Name: Light Green Code: 024avc71 Name: Green Name: Light Green Code: 024avc72 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc74 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()9 Name: Green Name: Light Green Code: 024avc70 Name: Green Name: Light Green Code: 024avc77 Name: Green Name: Light Green Code: 024avc72 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc70 Name: Green Name: Light Green Code: 024avc71 Name: Green Name: Light Green Code: 024avc43 Name: Green Name: Light Green Code: 024avc73 Name: Green Name: Light Green Code: 024avc74 Name: Green Name: Light Green Code: 024avc382Một lớp được xác định trong một lớp khác được gọi là lớp bên trong hoặc lớp lồng nhau. Nếu một đối tượng được tạo bằng cách sử dụng lớp bên trong lớp con thì đối tượng cũng có thể được sử dụng bởi lớp cha hoặc lớp gốc. Một lớp cha có thể có một hoặc nhiều lớp bên trong nhưng nhìn chung các lớp bên trong được tránh.inner class or nested class. If an object is created using child class means inner class then the object can also be used by parent class or root class. A parent class can have one or more inner classes but generally inner classes are avoided. Output: Name: Green Name: Light Green Code: 024avc Chúng ta có thể làm cho mã của chúng ta trở nên định hướng đối tượng hơn bằng cách sử dụng một lớp bên trong. Một đối tượng duy nhất của lớp có thể chứa nhiều đối tượng phụ. Chúng tôi có thể sử dụng nhiều đối tượng phụ để cung cấp một cấu trúc tốt cho chương trình của chúng tôi.Name: Green Name: Light Green Code: 024avc77 Name: Green Name: Light Green Code: 024avc71 Name: Green Name: Light Green Code: 024avc43 Name: Green Name: Light Green Code: 024avc14 Syntax: # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass() Name: Green Name: Light Green Code: 024avc16 Name: Green Name: Light Green Code: 024avc43 Name: Green Name: Light Green Code: 024avc18
Name: Green Name: Light Green Code: 024avc19Tại sao lớp bên trong? Cho nhóm hai hoặc nhiều lớp. Giả sử chúng ta có hai lớp từ xa và pin. Mỗi điều khiển từ xa đều cần một pin nhưng pin không có won từ xa được sử dụng. Vì vậy, chúng tôi làm cho pin trở thành một lớp bên trong đến điều khiển từ xa. Nó giúp chúng tôi lưu mã. Với sự giúp đỡ của lớp bên trong hoặc lớp lồng nhau, chúng ta có thể che giấu lớp bên trong khỏi thế giới bên ngoài. Do đó, ẩn mã là một tính năng tốt khác của lớp bên trong. Bằng cách sử dụng lớp bên trong, chúng ta có thể dễ dàng hiểu các lớp vì các lớp có liên quan chặt chẽ. Chúng tôi không cần phải tìm kiếm các lớp trong toàn bộ mã, tất cả đều gần như cùng nhau. Mặc dù các lớp bên trong hoặc lồng nhau không được sử dụng rộng rãi trong Python, nhưng nó sẽ là một tính năng tốt hơn để thực hiện mã vì việc tổ chức khi chúng ta sử dụng lớp bên trong hoặc lớp lồng nhau.Multiple inner classMultiple inner class Python3Các loại lớp bên trong như sau: & nbsp; Name: Green Name: Light Green Code: 024avc77 Name: Green Name: Light Green Code: 024avc3 Name: Green Name: Light Green Code: 024avc4 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc6 Name: Green Name: Light Green Code: 024avc382 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc384 Name: Green Name: Light Green Code: 024avc43 Name: Green Name: Light Green Code: 024avc386 Name: Green Name: Light Green Code: 024avc382 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc389____9 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc392 Name: Green Name: Light Green Code: 024avc77 Name: Green Name: Light Green Code: 024avc3 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()6 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc6 Name: Green Name: Light Green Code: 024avc77 Name: Green Name: Light Green Code: 024avc3 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()6 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc6 Name: Green Name: Light Green Code: 024avc382 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()9 Name: Green Name: Light Green Code: 024avc70 Name: Green Name: Light Green Code: 024avc52 Name: Green Name: Light Green Code: 024avc53 Name: Green Name: Light Green Code: 024avc382 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()9 Name: Green Name: Light Green Code: 024avc70 Name: Green Name: Light Green Code: 024avc401 Name: Green Name: Light Green Code: 024avc72 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc404 Name: Green Name: Light Green Code: 024avc382 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()9 Name: Green Name: Light Green Code: 024avc70 Name: Green Name: Light Green Code: 024avc401 Name: Green Name: Light Green Code: 024avc72 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc404 Name: Green Name: Light Green Code: 024avc38 Name: Green Name: Light Green Code: 024avc406 Name: Green Name: Light Green Code: 024avc382 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc384 Name: Green Name: Light Green Code: 024avc43 Name: Green Name: Light Green Code: 024avc416 Name: Green Name: Light Green Code: 024avc382 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc419____9 Name: Green Name: Light Green Code: 024avc431 Name: Green Name: Light Green Code: 024avc77 Name: Green Name: Light Green Code: 024avc3 Name: Green Name: Light Green Code: 024avc434 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc6 Name: Green Name: Light Green Code: 024avc382 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()9 Name: Green Name: Light Green Code: 024avc70 Name: Green Name: Light Green Code: 024avc07 Name: Green Name: Light Green Code: 024avc72 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc10 Name: Green Name: Light Green Code: 024avc69 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()9 Name: Green Name: Light Green Code: 024avc70 Name: Green Name: Light Green Code: 024avc94 Name: Green Name: Light Green Code: 024avc72 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc97 Name: Green Name: Light Green Code: 024avc77 Name: Green Name: Light Green Code: 024avc38 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()00 Name: Green Name: Light Green Code: 024avc382 Name: Green Name: Light Green Code: 024avc3 Name: Green Name: Light Green Code: 024avc4 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc6 Name: Green Name: Light Green Code: 024avc69 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc384 Name: Green Name: Light Green Code: 024avc43 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()10 Name: Green Name: Light Green Code: 024avc69 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc76 Name: Green Name: Light Green Code: 024avc43 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()15 Name: Green Name: Light Green Code: 024avc382 Name: Green Name: Light Green Code: 024avc3 Name: Green Name: Light Green Code: 024avc434 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc6 Name: Green Name: Light Green Code: 024avc69 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()9 Name: Green Name: Light Green Code: 024avc70 Name: Green Name: Light Green Code: 024avc87 Name: Green Name: Light Green Code: 024avc72 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc404 Name: Green Name: Light Green Code: 024avc69 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()9 Name: Green Name: Light Green Code: 024avc70 Name: Green Name: Light Green Code: 024avc94 Name: Green Name: Light Green Code: 024avc72 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc97 Name: Green Name: Light Green Code: 024avc71 Name: Green Name: Light Green Code: 024avc43 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()37 Name: Green Name: Light Green Code: 024avc74 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()39__ # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()41 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()42 Name: Green Name: Light Green Code: 024avc43 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()44 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()9 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()46 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()47 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()9 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()46 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()50 Đầu ra Name: Green Name: Light Green Code: 024avc7 Lớp nội địa đa cấpLớp chứa một lớp bên trong và lớp bên trong đó một lần nữa chứa một lớp bên trong khác, hệ thống phân cấp này được gọi là lớp bên trong đa cấp. Ví dụ: Lớp bên trong đa cấpMultilevel inner classMultilevel inner class Python3Name: Green Name: Light Green Code: 024avc38 Name: Green Name: Light Green Code: 024avc2 Name: Green Name: Light Green Code: 024avc77 Name: Green Name: Light Green Code: 024avc3 Name: Green Name: Light Green Code: 024avc4 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc6 Name: Green Name: Light Green Code: 024avc382 Name: Green Name: Light Green Code: 024avc5 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()60____9 Name: Green Name: Light Green Code: 024avc5 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()63 Name: Green Name: Light Green Code: 024avc77 Name: Green Name: Light Green Code: 024avc3 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()6 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc6 Name: Green Name: Light Green Code: 024avc382 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()9 Name: Green Name: Light Green Code: 024avc70 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()72 Name: Green Name: Light Green Code: 024avc53 Name: Green Name: Light Green Code: 024avc77 Name: Green Name: Light Green Code: 024avc38 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()76 Name: Green Name: Light Green Code: 024avc382 Name: Green Name: Light Green Code: 024avc3 Name: Green Name: Light Green Code: 024avc4 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc6 Name: Green Name: Light Green Code: 024avc69 Name: Green Name: Light Green Code: 024avc5 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()84 Name: Green Name: Light Green Code: 024avc43 Name: Green Name: Light Green Code: 024avc5 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()87 Name: Green Name: Light Green Code: 024avc382 Name: Green Name: Light Green Code: 024avc3 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()6 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc6 Name: Green Name: Light Green Code: 024avc69 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()9 Name: Green Name: Light Green Code: 024avc70 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()96 Name: Green Name: Light Green Code: 024avc53 Name: Green Name: Light Green Code: 024avc382 Name: Green Name: Light Green Code: 024avc38 Name: Green Name: Light Green Code: 024avc700 Name: Green Name: Light Green Code: 024avc69 Name: Green Name: Light Green Code: 024avc3 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()6 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc6 Name: Green Name: Light Green Code: 024avc706 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()9 Name: Green Name: Light Green Code: 024avc70 Name: Green Name: Light Green Code: 024avc709 Name: Green Name: Light Green Code: 024avc53 Name: Green Name: Light Green Code: 024avc71 Name: Green Name: Light Green Code: 024avc43 Name: Green Name: Light Green Code: 024avc73 Name: Green Name: Light Green Code: 024avc74 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()9 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()46 Name: Green Name: Light Green Code: 024avc717 Name: Green Name: Light Green Code: 024avc43 Name: Green Name: Light Green Code: 024avc719 Name: Green Name: Light Green Code: 024avc720 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()9 # create NameOfOuterClass class class NameOfOuterClass: # Constructor method of outer class def __init__(self): self.NameOfVariable = Value # create Inner class object self.NameOfInnerClassObject = self.NameOfInnerClass() # create a NameOfInnerClass class class NameOfInnerClass: # Constructor method of inner class def __init__(self): self.NameOfVariable = Value # create object of outer class outer = NameOfOuterClass()46 Name: Green Name: Light Green Code: 024avc723 Name: Green Name: Light Green Code: 024avc43 Name: Green Name: Light Green Code: 024avc725 Name: Green Name: Light Green Code: 024avc726 Đầu ra Lớp nội địa đa cấpLớp nội địa đa cấpLớp chứa một lớp bên trong và lớp bên trong đó một lần nữa chứa một lớp bên trong khác, hệ thống phân cấp này được gọi là lớp bên trong đa cấp.it will be a better feature to implement code because it is straightforward to organize when we use inner class or nested class. Types of inner classes are as follows: Multiple inner class. Ví dụ: Lớp bên trong đa cấpMultilevel inner className: Green Name: Light Green Code: 024avc2 Name: Green Name: Light Green Code: 024avc77 Name: Green Name: Light Green Code: 024avc3 Name: Green Name: Light Green Code: 024avc4 Name: Green Name: Light Green Code: 024avc5 Name: Green Name: Light Green Code: 024avc6it is also possible to nest classes (a class within a class). The purpose of nested classes is to group classes that belong together, which makes your code more readable and maintainable. |