Which of the following is a mechanism that allows several objects in an class hierarchy to have different methods with the same name ?
A. Aggregation
B. Polymorphism
C. Inheritance
D. All of the mentioned
Choose the incorrect statement in terms of Objects ?
A. Objects are abstractions of real-world
B. Objects can’t manage themselves
C. Objects encapsulate state and representation information
D. All of the mentioned
Which of the following describes”Is-a-Relationship” ?
A. Aggregation
B. Inheritance
C. Dependency
D. All of the mentioned
Object that collects data on request rather than autonomously is known as_________________?
A. Active Object
B. Passive Object
C. Multiple instance
D. None of the mentioned
Which of the following is a disadvantage of OOD ?
A. Easier maintenance
B. Objects may be understood as stand-alone entities
C. Objects are potentially reusable components
D. None of the mentioned
How is generalization implemented in Object Oriented programming languages ?
A. Inheritance
B. Polymorphism
C. Encapsulation
D. Abstract Classes