Aggregation implies a relationship where the child can exist independently of the parent . For example, Bank and Employee, delete the Bank and the Employee still exist. whereas Composition implies a relationship where the child cannot exist independent of the parent.21 Oca 2015
Read moreWhat is aggregation in Java with example?
Aggregation in Java is a relationship between two classes that is best described as a “has-a” and “whole/part” relationship . It is a more specialized version of the association relationship. The aggregate class contains a reference to another class and is said to have ownership of that class.
Read moreWhat is aggregation in Java with example?
Aggregation in Java is a relationship between two classes that is best described as a “has-a” and “whole/part” relationship . It is a more specialized version of the association relationship. The aggregate class contains a reference to another class and is said to have ownership of that class.
Read moreWhat is the relationship between aggregation and inheritance relationship?
Aggregation is “a part of” relationship . Example: A student object is a part of College object. Inheritance is a “is a “relationship where one or more classes are derived from a base class.
Read moreWhat is inheritance How is it different from aggregation in Java?
The difference is typically expressed as the difference between “is a” and “has a”. Inheritance, the “is a” relationship , is summed up nicely in the Liskov Substitution Principle. Aggregation, the “has a” relationship, is just that – it shows that the aggregating object has one of the aggregated objects.6 Kas 2008
Read moreWhat is inheritance How is it different from aggregation in Java?
The difference is typically expressed as the difference between “is a” and “has a”. Inheritance, the “is a” relationship , is summed up nicely in the Liskov Substitution Principle. Aggregation, the “has a” relationship, is just that – it shows that the aggregating object has one of the aggregated objects.6 Kas 2008
Read moreWhat is the difference between inheritance composition and aggregation?
The main difference between Inheritance and Composition is that inheritance allows using properties and methods of an existing class in the new class while composition is a special type of aggregation that describes the ownership between the associated objects.
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