Here, are some sample questions based on "C++/OOPS Programming language". Read it carefully as these questions will help you in cracking any interview.
76) What do you mean by a static data member and a static member function?
Answer: A static data member is a class data member common to all the objects of a class. A static member function is a member function that can access only the static data members.
77) What is modularity in C++?
Answer: Modularity is the property of a system that has been decomposed into a set of cohesive and loosely coupled modules. In other words, modularity is the act of partitioning a program into individual components is called modularity.
78) What do you mean by data abstraction?
Answer: Data abstraction is the act of representing essential features without including the background details.
79) What is a pointer? How will you define a pointer to an integer and a pointer to a character?
Answer: A pointer is a variable which holds a memory address which is usually the location of another variable in memory.
A pointer, say ptr, to integer is declared as int *ptr; and a pointer, say cptr, is declared to a character as char *cptr.
80) How does a pointer variable differ from a simple variable?
Answer: A simple variable stores a data value whereas a pointer variable stores a memory address of another variable in the memory.
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