1. Discuss the difference between inheritance and composition. What are the advantages and disadvantages of each? Can you implement one with the other?
2.How is a class similar to a database table? How is it different? How do these similarities and differences justify the need for class models and for data models? Or do they?
3.Discuss the difference between association and composition. What are the advantages and disadvantages of each?
4.When would you apply inheritance? When would you not? Provide examples
Inheritance and Composition both provides code re usability but are absolutely different the way they provide code re usability. Inheritance is an “is-a” relationship. Composition is a “has-a”. Inheritance provides code re usability by extending a class. In inheritance final class cannot be extended whereas in composition final class can also be reused.
Composition is done by having an instance of another class as a field of class, instead of extending a class as in inheritance.
Advantages of Inheritance:
Disadvantages of Inheritance:
Advantages of Composition:
Disadvantages of Composition:
1. Discuss the difference between inheritance and composition. What are the advantages and disadvantages of each?...
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