State chart diagrams

<<Previous  Next >>

  • State diagrams are used to show the different states a class or object can go through. When a state changes it means a transition has occurred. An event may cause a transition to occur. A state represents the state of an object or class. An arrow indicates the transition from one state to another. An event may also cause a message or signal to be sent across <>. When a state is in wait, it is called as a history state (H). 
  • E.g. A state diagram for a Computer will be. Start -> Boot ->Login > Use            

<<Previous  Next>>

Write your comment - Share Knowledge and Experience

More Related Links
What is UML?

Answer - UML is Unified Modeling Language. .....

Define modeling in UML and it advantages.

Answer - Model is a simplification of reality, blueprint of the actual system.....

What are the different views in UML?

Answer - Use Case view - Presents the requirements of a system......

Define SDLC?

Answer - SDLC of a system included processes like Use case driven, Architecture centric, Iterative and Incremental......

Explain the types of diagrams in UML.

Answer - We have nine types of diagram in UML.....

What are the advantages of using UML?

Answer - UML breaks the complex system into discrete pieces that can be understood easily......

Latest placement tests
Latest links
Latest MCQs
» General awareness - Banking » ASP.NET » PL/SQL » Mechanical Engineering
» IAS Prelims GS » Java » Programming Language » Electrical Engineering
» English » C++ » Software Engineering » Electronic Engineering
» Quantitative Aptitude » Oracle » English » Finance
Home | About us | Sitemap | Contact us | We are hiring