An association is a “using” relationship between two or more objects in which the objects have their own lifetime and there is no owner . As an example, imagine the relationship between a doctor and a patient. A doctor can be associated with multiple patients.19 Kas 2018
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 composition in Java in Javatpoint?
The Composition is a way to design or implement the “has-a” relationship . Composition and Inheritance both are design techniques. The Inheritance is used to implement the “is-a” relationship. The “has-a” relationship is used to ensure the code reusability in our program.
Read moreWhat is composition in Java in Javatpoint?
The Composition is a way to design or implement the “has-a” relationship . Composition and Inheritance both are design techniques. The Inheritance is used to implement the “is-a” relationship. The “has-a” relationship is used to ensure the code reusability in our program.
Read moreWhat is is a relationship in Java Javatpoint?
An object of one class act as a Data member of another class. If a class has a reference of another class (also known as contained object, or entity reference), i.e. known as has-a relationship.
Read moreWhat is is a relationship in Java Javatpoint?
An object of one class act as a Data member of another class. If a class has a reference of another class (also known as contained object, or entity reference), i.e. known as has-a relationship.
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