use of inheritance

Example of head first: coffee shops have a variety of coffee drinks, can be added to the coffee in a variety of spices into another drink, if the use of inheritance to design a class for each beverage, the complexity of the code can easily expand,

First, to talk about the object-oriented thinking1. What is Object-oriented1) Object-oriented is object-based, complete a variety of operations, emphasizing the object, the result.2) process-oriented is based on function, complete various operations,

Reprinted from: http://zwchen.iteye.com/blog/1154193Just in the forum inadvertently, see the source read the post. Looking back on myself a few years ago, reading the source of the excitement and sense of accomplishment (1), can't help but a kind of

1 Questions The output after executing the following program is ()public class Test {public static void Main (string[] args) {StringBuffer a = new StringBuffer ("a");StringBuffer B = new StringBuffer ("B");Operator (A, b);System.out.println (A + ","

First, Introduction:In the front we learned the first 10 patterns in C # design pattern-Singleton mode, simple Factory mode, factory method mode, abstract Factory mode, builder mode, prototype mode, adapter mode, bridging mode, decorator mode,

CSS comments, naming, inheritance, style sorting, and other CSS skills I. Comments Comments in CSS are very important when you create an xhtml + CSS website. When creating CSS Styles, you should keep comments on your own. In general, I am used to

C # is an object-oriented programming language, and the object-oriented language has three main features: encapsulation, inheritance, polymorphism.Encapsulation: Encapsulation is the collection of content together, controlled by access modifiers.

First, IntroductionToday we are going to talk about the "structural" design pattern of the seventh mode, is also the "structural" design pattern of the last mode, the mode is "proxy mode", the English name is: Proxy pattern. Or the old routine,

Statement: This series of blog reference "Big Talk design mode", author Geoscience. It is generally considered that code that complies with the following six principles is easily extensible and reusable: the six principles of any object-oriented

Since the core of object design is the class, the following principles are basically the discussion of the design of the class, the other types of elements are relatively simple, basically also conforms to most of the principles listed here. Before

1. Summary of this week's study#1.1 Try to summarize the knowledge points about inheritance using the mind map.#1.2 Use the general method to summarize other lessons.-learned about the inheritance of classes-Understand inheritance and polymorphism

I haven't seen such an incisive article for a long time! The author wrote it too well! If you are learning Java or want to know about abstract classes and interfaces, do not miss it! I strongly recommend it! Differences between interfaces and

Define: define a family of algorithms, encapsulate each one, and make them interchangeable. Strategy lets the algorithm vary independently from clients that use it.I. Strategy Mode The purpose of the rule mode is to encapsulate each algorithm into

Most people think that the meaning of an interface is to replace multiple inheritance. As we all know, Java does not have the multi-Inheritance Mechanism like C ++, but it can implement multiple interfaces. In fact, this is very far-fetched.

Abstract: inheritance is a very important feature of C ++ and one of the three features of OO. I hope to make a simple discussion on it to eliminate some confusions.What is inheritance?Inheritance is a method of organizing related classes and

Some principles for rewriting methods in inheritance: Do not change the meaning of the Conventions when override the parent class method after implementation. Anyone can assume that the subclass and the superclass work in the same way. Potential

Two concepts are introduced first. Incremental developmentOne of the advantages of inheriting technology is that it supports the incremental development mode. you can introduce new Code (including covering the base-class code) without causing bugs

ArticleDirectory Source code Source code Dr. Yan Hong's book "Java and patterns" describes the strategy pattern in this way: The rule mode is the behavior mode of the object. Intended for a groupAlgorithm, Encapsulate each

The seven types of structural design patterns are as follows: Adapter ModeBridge ModeComposite Combination ModeDecorator decoration ModeFacade appearance ModeFlyweight meta ModeProxy ModeComparison: the adapter mode is mainly used to "reuse some

Rebuilding Study Notes 11. Using strategy   Concept: In this article, the "use strategy class" refers to replacing the original switch case and if else statements with the policy mode in the design mode, which can solve the coupling problem, it