grokking object oriented design interview

1. Opening and closing principle (the Open Closed principle OCP) A module should be open in terms of extensibility and should be closed in terms of modification. Therefore, the interface encapsulation mechanism, abstract mechanism and polymorphic technique should be considered as far as possible in object-oriented design. The principle is also suitable for non

1. Change is the natural enemy of reuse!The biggest advantage of object-oriented design is that it resists change2. Re-understanding Object-orientedUnderstanding Isolation Changes:From the macro level, the object-oriented approach

30-minute understanding of Object-Oriented Design Principles Many people have read the design patterns, but Martin does not have much estimation on the object-oriented design principles

1. Concept of Design PatternsThe design pattern describes a general solution to some common problems in the software design process.2. Object-oriented design modeObject-oriented

5 Programming styles and the abstractions they use: Process-oriented algorithms Object-oriented classes and objects Oriented to logical goals, usually expressed in predicate calculus Rule-oriented if--then the rule A constraint-invariant

JAVA8 Series Tutorials: Getting Started with JAVA8 programming, object-oriented programming, advanced programming, core design patterns--dao Design Patterns01_ "Introduction to JAVA8 Programming"02001_java Development ProfileInstallation and configuration of 02002_JDK02003_ First Java program02004_classpath Environment

constructor, and by initializing the prototype in the constructor (only if necessary), while preserving the advantages of using both constructors and prototypes. In other words, you can determine whether a prototype needs to be initialized by checking that a method that should exist is valid.Parasitic constructor modeIf the above methods are not applicable, parasitic patterns can be applied. The core idea of this pattern is to create a function that simply encapsulates the code that creates the

Ask for PHP object-oriented design and data access design. for example, if one class Person has a database operation class ConnPerson, one operation is to buy a chicken, how should we design chicken information in the database? Whether to include the Conn class in perison, i

Ask for PHP object-oriented design and data access design. for example, if one class Person has a database operation class ConnPerson, one operation is to buy a chicken, how should we design chicken information in the database? Whether to include the Conn class in perison, i

[Favor composition over inheritance] Combination 1. (object) combination is a method of reusing new functions by creating an object that combines other objects. 2. delegate the function to a combined object to obtain the new function. 3. Sometimes it is called "aggregation" or "inment", although some authors give special meanings to these terms 4. For example: A

Before all the text, I need to emphasize that I personally opposed to structure typing, so even if the content of the text "looks like" go interface, readers should not feel that I am praising go interface. What I like more is the way that Haskell and rust. Unfortunately rust and go as much as I want to shrink all the words are the shortest, the result code written to even the readability is not, the word has become a symbol. If rust the mess of pointer desi