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Explain the concept of Generalization
Generalization and inheritance are powerful abstractions for sharing the structure and/or behaviour of more than one class. Generalization can be defined as a relationship between a class, and it determines a hierarchy of abstraction, in which (one or more) subclasses inherit from (one or more) super classes. Inheritance and generalization are transitive across a subjective number of levels in the hierarchy. Generalization is an "is-a-kind of" relationship, such as, PG student is kind of Student, Saving Account is a kind of Account, etc. Generalization notation is a triangle connecting a super class to its subclasses. The super class is connected with the help of a line to the top of the triangle. The subclasses are connected through lines to a horizontal bar attached to the base of the triangle. Generalization is a very helpful for both abstract modelling and implementation. Take a look in Figure, a generalization of Account class.
Figure: Generalization of account class
In a report with an LDB attribute, you do not have to explain how the information should be retrieved from the database tables, but only how the data should be shown on the screen.
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Adding Operations of describe function Whenever take a look at the operations in OOPs you find queries about attributes or associations in object model (such as student.name)
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