what is inheritanceinheritance is the method of
What is Inheritance?
Inheritance is the method of deriving a feature of super class into sub class. Every sub class inherits the attributes, operations and association of its super classes.
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what are kinds of modelsclass model - objects in the system and their relationshipsstate model - life history of the objectsinteraction model -
what is class class diagraman object is an instance of a class class explains a group of objects with similar properties attributes behaviour
q suppose that you want to utilize a paging algorithm that requires a reference bit such as second-chance replacement or working-set model however
what is generalizationgeneralization is a relationship among a class super class and one or more variations of the class sub classesit arrange
what is inheritanceinheritance is the method of deriving a feature of super class into sub class every sub class inherits the attributes operations
what are links and associationslink is a physical or conceptual connection between objects a link is an instance of an association association is
what are qualified associationsa qualified association is an association in which an attribute known as the qualifier disambiguates the object many
what is multiplicitymultiplicity is applied to attributes for data base application multiplicity for an attribute specifies the number of possible
what are bags and sequencesa bag is a collection of elements with duplicates permitted a sequence is an ordered collection of elements with
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