how is the uml diagram of railway reservation system ? ER diagram of hospital system? ?
a class diagram for online reservation system describe the flow data from user to administrator of particular flight.
First class in AC
class diagram for payroll system
Class diagram represent generalized view of system while object diagram represent view of a system at a particular instant.
3E Is economy class AC sleeper 3-tier.In duronto train only.
information system diagram for a Vocational training college.
class diagrams
In software engineering, a class diagram is used for describing the structure of a system by showing classes, attributes, operations, and relationships.
Rhymney Railway A class was created in 1910.
Metropolitan Railway A Class was created in 1864.
Class diagram is UML structure diagram which shows structure of the designed system at the level of classes and interfaces, shows their features, constraints and relationships - associations, generalizations, dependencies, etc.Communication diagram (called collaboration diagram in now obsolete UML 1.x) is an interaction diagram which shows interactions between objects and/or parts (represented as UML lifelines) using sequenced messages in a free-form arrangement.So, the major difference is that class diagram shows static structure of the system while communication (collaboration) diagram shows system behavior as sequenced exchange of messages between objects.