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If the human dies, all the child classes such as legs and hands will have no meaning and are removed. The child is dependent on the parent, and if any parent object is discarded, the child object will get neglected. The best example of composition is the human body.Hence the relationship between wheel and car is termed as aggregation where the separated object wheel is not based on the parent object car. So the object wheel signifies a meaning even without the presence of a car. But the wheel is used as an individual object in other vehicles. It is not possible for the car to move without a wheel. Let us take a car and wheel as an aggregation example. The aggregation is explained with the best example.Hence the composition is established within similar objects. It insists that if the component gets eliminated, its parts also will get discarded. It can also be represented as components and their parts. It portrays the relation and dependency between the child and parents. The composition is a section of segregation, and it denotes the part of the entire relationship.It is a type of relationship where the child is not based and dependent on the parent The aggression includes only dual classes and represents a binary association.
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It briefly explains the part of the entire relationship. Aggregation is a section of association and its assortment of variable objects.The child depends on the parent and doesn’t exist separately without the parent. But in composition, it infers that relationship where there is no child’s existence, and it does not rely on the parent class. For example, the parent and child are present in a class, and if the parent’s deletion doesn’t affect the operation of the child.The minor differs because the aggregation infers a relation where the child is present independent of the parent. In the composition and aggregation is the object of single classes, representing the object of another class. The aggregation and composition are based on the required classes of association.Let us discuss some key differences between UML Aggregation vs Composition in the following points: 1. Key differences between UML Aggregation vs Composition
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