use case diagram smartdraw

Various relationships in a use case diagram I. Association between participants and use cases The communication between the participant and the use case also becomes an association or a communication relationship. Ii. relatio

As mentioned earlier in the chapter, the first use case revolves around a stock portfolio use case for demonstrating publ Ish/subscribe Messaging. This example are simple and utilizes a Publisher class for sending the stock price messages to a topic, as well as a Consumer Class for registering a Listener class to consu

1.Visio Features Overview:Can be used to draw various types of diagrams, including it-related diagrams, building plans, circuit diagrams and other diagrams. such as (this is just a partial list, and does not cover all the features of Visio)　　　　　　　　2. Visio Installation and software key:SoftwareSoftware Installation TutorialsSoftware key3.Visio Usage Tutorials3.1Visio Drawing system use case

UI graphic design, such as using Excel row to column to form a two-dimensional table, and then the content area can place some check items.Figure 5:Iv. SummaryThis method in itself is a multi-dimensional application skills, can be used in many scenarios, multi-dimensional events are not only software development of many kinds of events are available, do once can form a template reuse, production efficiency can also.So after reading the rest of their own creative creativity to play, according to

Ah, this is the book again. It's like there's an interactive diagram, uh ... The order of the message response seems to be different from my program.In fact, the problem is not big, the operation instance, the console runs the file App.js open service:var io=require (' Socket.io '). Listen (8080,{log:false}); Io.sockets.on (' Connection ', function (socket) {Socket.on (' msg ', function (data) {Console.log (data), if (data.state) {if (data.state== ' O