Is there any difference between Containment and Composition?
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Answer Posted / shilpa
object composition is a way to combine simple objects or
data types into more complex ones. Compositions are a
critical building block of many basic data structures,
including the tagged union, the linked list, and the binary
tree, as well as the object used in object-oriented
programming.
Composited (composed) objects are often referred to as
having a "has a" relationship.
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 multiplicity of 1 or
0..n (depending on the issue of ownership), indicating that
the data type is composed of an unknown number of instances
of the composited data type.
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