top design software

The design mode is just a hammer! When talking about the design model, it was almost unknown and unknown. The famous "gof" (some Chinese translated as "the four-person gang") was an amazing work. It was really "no one knows about gof in my life, and I have never learned how to design it!" However, the design model is r

Message subscription and delivery are designed on the "platform-Application of plug-ins in Software Architecture Design 1.First, describe what is "Platform-Plug-in software design. As the name implies, "platform-plug-in" is to first establish a platform to provide underlying basic services. Based on this platform,

OverviewDesign patterns are a set of reusable, most known, categorized purposes, code design experience Summary. Design patterns are used in order to reuse code, make code easier for others to understand, and ensure code reliability. There is no doubt that design patterns in others in the system are multi-win; Design p

As we all know, design principles are the cornerstone of design patterns. When the design principles are followed, the written code becomes very flexible and can cope with changes and be easier to maintain. Of course, it is not so absolute. Next, we will briefly introduce some basic design principles, and then introduc

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 (For details, refer to Agile Software Development: Principles, models and practices). In fact, the two are complementary: the

The original address, will continue to update the Http://it.zuocheng.net/mvc-design-pattern-design-principle-summary process technology BlogThis article takes the mainstream MVC framework as an example, such as Java ssh, PHP symfony and Zend Framework, after simply analyzing their design principles, find the design pat

Template Method pattern (JAVA) of software design pattern, design pattern java What is the template method mode? Defines the skeleton of an algorithm in an operation and delays these steps to the subclass. The template method allows the subclass to redefine certain steps of the Algorithm without changing the structure of an algorithm. It's a good abstract concep

Java Software Design patterns are divided into 23 kinds;Generally used are:　　Single Case design modeDecorative design patternFactory design PatternDecorative design pattern Definition: English is called decorator pattern,

object, it is encapsulated. It encapsulates a series of interfaces for business and related data to interact with the database. Why: 1. the user does not need to understand the details of this object, but only needs to understand the interface of this object to interact with the database, which facilitates the user's use. 2. Design a DaO layer. All the above business layers call the DaO layer interface to realize

logic used, and so on. 1.11 Restrictions Describe the restrictions that are imposed on the operation of this program. The 1.12 test Plan describes the plan for the testing of this program, including the technical requirements of the test, input data, expected results, schedule, personnel duties, equipment conditions, driver and pile modules. 1.13 Unresolved issues describes the issues that the designer believes should be resolved before the software