http://www.allinterview.com New UML Interview Questions en-us http://www.allinterview.com/showanswers/101187.html http://www.allinterview.com/showanswers/96539.html http://www.allinterview.com/showanswers/96538.html http://www.allinterview.com/showanswers/96537.html http://www.allinterview.com/showanswers/96144.html http://www.allinterview.com/showanswers/94134.html Structural(modular) representation of ur system requiremnt is UML, Usecase is one of them. Use Case is setup activity done by actor, Here actor should think How to do, Not What to do. You should know ur functional requirment of ur systemk bef http://www.allinterview.com/showanswers/91835.html http://www.allinterview.com/showanswers/84848.html http://www.allinterview.com/showanswers/71740.html Include, one cannot live without the other. The use case must include another use case. For example when you create an order you always must verify name etc. Extend, one can live without the other only some instances the use case will exten http://www.allinterview.com/showanswers/71738.html Both Sequence and Collaboration diagrams are interaction diagrams. The difference is that Sequence diagrams describes the interaction between classes against time. In Collaboration diagram the interaction between classes is shown against both tim http://www.allinterview.com/showanswers/66796.html Composition that is used to store several instances of the composited data type is referred to as containment. Examples of such containers are arrays, linked lists, binary trees and associative arrays. In UML, containment is depicted with a http://www.allinterview.com/showanswers/10713.html Persistent objects are on this heap, while transient objects are in the transient memory. Transient and persistent objects can access each other mutually. Accessing a persistent object leads to loading the object into the transient heap. It i http://www.allinterview.com/showanswers/10712.html it means leaving the implementation to the implementer, i.e. interface. you leave the implementation of functionality to the class who is implementing this interface http://www.allinterview.com/showanswers/10707.html Constraint rule: Much of what you are doing in drawing a class diagram is indicating constraint. EX:Corporate customers have credit limits but Personal customer do not. Design by contract: It provides rigorous defn. of oper http://www.allinterview.com/showanswers/10706.html Dynamic classification allows objects to change type within the subtyping structure whereas static classification does not Ex:for dynamic classification is person's job(It can change).EX:for static classification sex.(male & female).