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what is domain analysis domain analysis is concerned with devising a precise concise understandable and correct model of the real world analysis
what is analysis list its sub stagesunderstand the requirement by constructing models the goal of analysis is to state what need is to be done and
how will you prepare problem statementproblem statement should state what is to be completed and not how it is to be executed it should be a
what is system conceptionit deals with genesis of an application and formulating tentative needs the purpose of the system conception is to defer
difference between aggregation and associationaggregation is a particular form of association not an independent concept aggregation acts semantic
what is swimlanein business model it is often helpful to know which human organization is responsible for activity show the partition of activities
what is use case and use case diagrama use case is a coherent piece of functionality that a system can give by interacting with actors use case
what is actoran actor is a direct external user of a system every actor shows objects that behave in a particular way towards systems actors are
what is interaction modelinginteraction model explains interactions within a system the interaction model explains how objects interact to produce
what is state and state diagrama state is an abstraction of values and links of an object set of values and links are grouped together into a state
what are event and its typesan event is an occurrence at a point in time like user depresses left buttonevent happens instantaneously with regard to
what are packagespackage is a group of elements classes generalizations associations and lesser packages with a common theme package partitions a
what is reificationit is the promotion of something that is not an object into an objecthelpful method for meta applications it shifts the level of
what are several issues for selecting best workarounds in multiple inheritancessome restrictions methods are used use two approaches of delegations
what is metadatametadata is data that explains another dataclass definition is metadata models are inherently metadata as they explain the things
what is visibility give uml notationvisibility refers to the ability of a process to reference a feature from another class and has possible valued
what is overridingoverriding is an inherent part of association it can show an ordered set of objects by writing ordered next to the appropriate
what are bags and sequencesa bag is a collection of elements with duplicates permitted a sequence is an ordered collection of elements with
what is multiplicitymultiplicity is applied to attributes for data base application multiplicity for an attribute specifies the number of possible
what are qualified associationsa qualified association is an association in which an attribute known as the qualifier disambiguates the object many
what are links and associationslink is a physical or conceptual connection between objects a link is an instance of an association association is
what is inheritanceinheritance is the method of deriving a feature of super class into sub class every sub class inherits the attributes operations
what is generalizationgeneralization is a relationship among a class super class and one or more variations of the class sub classesit arrange
what is class class diagraman object is an instance of a class class explains a group of objects with similar properties attributes behaviour
what are kinds of modelsclass model - objects in the system and their relationshipsstate model - life history of the objectsinteraction model -