BPSC Tre 4.0 OOPS Concepts Practice Set

Que: (1). Which is the correct syntax of inheritance?

Que: (2). In multilevel inheritance, which is the most significant feature of OOP used?

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 header file is required in C++ to use OOP?

Que: (6). 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; } };
                        

Que: (7). Which feature of OOP reduces the use of nested classes?

Que: (8). What is encapsulation in OOP?

Que: (9). What is an abstraction in object-oriented programming?

Que: (10). The copy constructors can be used to

Que: (11). What happens when an object is passed by reference?

Que: (12). Who invented OOP?

Que: (13). Which access specifier is usually used for data members of a class?

Que: (14). In which access should a constructor be defined, so that object of the class can be created in any function?

Que: (15). Which among the following represents correct constructor?

Que: (16). Which among the following, for a pure OOP language, is true?

Que: (17). Which among the following can show polymorphism?

Que: (18). When OOP concept did first come into picture?

Que: (19). Which of the following is not true about polymorphism?