Một đối tượng thuộc về một lớp học được cho là một thể hiện của lớp và các biến có chứa đối tượng được gọi là các biến dụ. Các phương pháp mà các đối tượng chứa được gọi là phương pháp dụ. Ví dụ, nếu | The Unified Modelling Language This section will give you a quick overview of the basics of UML. It is taken from the user documentation of the UML tool Umbrello and Wikipedia. Keep in mind that this is not a comprehensive tutorial on UML but rather a brief introduction to UML Which can be read as a UML tutorial. If you Would like to learn more about the Unified Modelling Language or in general about software analysis and design refer to one of the many books available on the topic. There are also a lot of tutorials on the Internet which you can take as a starting point. The Unified Modelling Language UML is a diagramming language or notation to specify visualize and document models of Object Oriented software systems. UML is not a development method that means it does not tell you what to do first and what to do next or how to design your system but it helps you to visualize your design and communicate with others. UML is controlled by the Object Management Group OMG and is the industry standard for graphically describing software. The OMG have recently completed version 2 of the UML standard known as UML2. UML is designed for Object Oriented software design and has limited use for other programming paradigms. UML is not a method by itself however it was designed to be compatible with the leading object-oriented software development methods of its time . OMT Booch Objectory . Since UML has evolved some of these methods have been recast to take advantage of the new notation . OMT and new methods have been created based on UML. Most well known is the Rational Unified Process RUP created by the Rational Software Corporation. Modelling There are three prominent parts of a system s model Functional Model Showcases the functionality of the system from the user s Point of View. Includes Use Case Diagrams. Object Model Showcases the structure and substructure of the system using objects attributes operations and associations. Includes Class Diagrams. .
