BPSC Tre 4.0 OOPS Concepts Practice Set
Que: (1). What happens when an object is passed by reference?
Que: (2). What is an abstraction in object-oriented programming?
Que: (3). How many types of access specifiers are provided in OOP (C++)?
Que: (4). Why Java is Partially OOP language?
Why Java is Partially OOP language?
(b) It does not support pointers
(d) It doesn't support all types of inheritance
(a) It allows code to be written outside classes
(c) It supports usual declaration of primitive data types
Que: (5). Which is the correct syntax of inheritance?
Que: (6). In which access should a constructor be defined, so that object of the class can be created in any function?
Que: (7). Who invented OOP?
Que: (8). Which of the following is not true about polymorphism?
Que: (9). Which among the following represents correct constructor?
Que: (10). Which among the following can show polymorphism?
Que: (11). Which among the following, for a pure OOP language, is true?
Que: (12). Which feature of OOP reduces the use of nested classes?
Que: (13). Which access specifier is usually used for data members of a class?
Que: (14). The copy constructors can be used to
Que: (15). Which feature of OOP is indicated by the following code?
class student{ int marks; };
class topper:public student{ int age; topper(int age){ this.age=age; } };