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what is inheritanceinheritance is an object orientation concept that allows reusability of code design basic sense of inheritance is that if one
what is abstractionabstraction in the object orientation is a idea that provide opportunity to express necessary properties of object without
differentiate oo development from structured developmentstructured approach of problem solving is based upon the idea of decomposition of system into
what is oomobject oriented modeling is an approach by which modeling of systems is done by visualizing the system based on real world concepts object
design documentation the design document shall be an extension of requirements analysis designthe design document will comprise a revised and
determine the term- active valuesan active value is that has dependent values every dependent value registers itself with active value that contains
explain the term- periodic recomputationperiodic recomputation base values are often updated in bunches sometimes it is possible to just
what is explicit update in explicit update each derived attribute is defined with respect to one or more fundamental base objects the object designer
rearrange the execution order for efficiency rearranging execution order for efficiency means executing such job that requires less execution
determine the steps of path in association networkyou can analyse use of paths in association network in the following steps examine every
how can redundant associations be doneit can be done by asking questionsi is there a specific arrangement of network which would optimize
adding redundant associations for efficient access the expression redundant association means using duplicate association for proficient access while
discuss the term- design optimization we have seen various ways of representing the objectsthe fundamental design model uses analysis model as
state the meaning of object representation the term object representation means to represent object with the help of objects model symbols
analyzing association traversal association traversal shall be understood properly for the association design explanation analyzing association
describe the association design before we describe association design let us define association association is set of links between two objects
illustration of implementation of inheritancelet us take the illustration of implementation of inheritance suppose that we are about to implement the
use delegation to share implementation the delegation delegation comprises of catching an operation on one object and sending it to other object
making common behaviour abstract let us define abstraction abstraction means to focus on the necessary inherent aspects of an entity and ignoring its
rearrange classes and operations sometimes the similar operation is defined across different classes and can easily be inherited from a familiar
inheritance adjustment as in object oriented analysis and design terms inheritance defines a relationship between classes where as one class shares
control as concurrent tasks the expression control as simultaneous task means applying control for those events of object which can happen
control as a state machine engine first let us define the state machine the state machine is a machine which is an object but not an application
the technique of converting the state diagram to codea identify all major control paths start from initial state choose a path across the diagram
control as state within program 1 the term control exactly means to check effect of input within a programfor illustration in figure after the