Composition is one of the fundamental concepts in object-oriented programming. It describes a class that references one or more objects of other classes in instance variables . This allows you to model a has-a association between objects. You can find such relationships quite regularly in the real world.
Read moreWhat is Inheritance and composition in Java?
JavaObject Oriented ProgrammingProgramming. The composition is a design technique in which your class can have an instance of another class as a field of your class. Inheritance is a mechanism under which one object can acquire the properties and behavior of the parent object by extending a class.18 Kas 2019
Read moreWhat is Inheritance and composition in Java?
JavaObject Oriented ProgrammingProgramming. The composition is a design technique in which your class can have an instance of another class as a field of your class. Inheritance is a mechanism under which one object can acquire the properties and behavior of the parent object by extending a class.18 Kas 2019
Read moreWhy do we use aggregation in Java?
Aggregation helps in reusing the code . Object B can have utility methods and which can be utilized by multiple objects. Whichever class has object B then it can utilize its methods.
Read moreWhy do we use aggregation in Java?
Aggregation helps in reusing the code . Object B can have utility methods and which can be utilized by multiple objects. Whichever class has object B then it can utilize its methods.
Read moreHow many types of inheritance does Java support?
Java supports only Single, Multilevel, and Hierarchical types of inheritance. Java does not support Multiple and Hybrid inheritance.3 Mar 2022
Read moreHow many types of inheritance are there?
OOPs support the six different types of inheritance as given below : Single inheritance. Multi-level inheritance. Multiple inheritance.
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