What is std in C++?(a) std is a standard class in C++(b) std is a standard namespace in C++(c) std is a standard header file in C++(d) std is a standard file reading header in C++I got this question during an interview for a job.Enquiry is from C++ Concepts in portion Basics Concepts of C++ of C++

What is std in C++?(a) std is a standard class in C++(b) std is a stan

1.	What is std in C++?(a) std is a standard class in C++(b) std is a standard namespace in C++(c) std is a standard header file in C++(d) std is a standard file reading header in C++I got this question during an interview for a job.Enquiry is from C++ Concepts in portion Basics Concepts of C++ of C++
Answer» Right answer is (b) std is a standard namespace in C++ Best explanation: std is a standard namespace present in C++ which CONTAINS different stream classes and OBJECTS like cin, cout, ETC. and other standard functions.

Discussion

No Comment Found

Related InterviewSolutions

Which of the following operator is used with this pointer to access members of a class?(a) .(b) !(c) ->(d) ~This question was posed to me in my homework.The origin of the question is C++ Concepts in portion Basics Concepts of C++ of C++
Why this pointer is used?(a) To access the members of a class which have the same name as local variables in that scope(b) To access all the data stored under that class(c) To access objects of other class(d) To access objects of other variablesI had been asked this question in examination.My query is from C++ Concepts topic in chapter Basics Concepts of C++ of C++
Which of the following is correct about static variables?(a) Static functions do not support polymorphism(b) Static data members cannot be accessed by non-static member functions(c) Static data members functions can access only static data members(d) Static data members functions can access both static and non-static data membersI have been asked this question by my school teacher while I was bunking the class.The doubt is from Static Constant Keyword topic in section Basics Concepts of C++ of C++
Which of the following is correct about this pointer in C++?(a) this pointer is passed as a hidden argument in all the functions of a class(b) this pointer is passed as a hidden argument in all non-static functions of a class(c) this pointer is passed as a hidden argument in all static functions of a class(d) this pointer is passed as a hidden argument in all static variables of a classThis question was addressed to me by my college director while I was bunking the class.My enquiry is from C++ Concepts in section Basics Concepts of C++ of C++
Which of the following statement is correct?(a) Structure in C allows Constructor definition(b) Structure in C++ allows Constructor definition(c) Both allow Constructor definition(d) C allows constructor definition while C++ does notI had been asked this question in quiz.Query is from C++ Concepts in portion Basics Concepts of C++ of C++
What is name mangling in C++?(a) The process of adding more information to a function name so that it can be distinguished from other functions by the compiler(b) The process of making common names for all the function of C++ program for better use(c) The process of changing the names of variable(d) The process of declaring variables of different typesI had been asked this question in final exam.Enquiry is from C++ Concepts in section Basics Concepts of C++ of C++
Which of the following is correct about static polymorphism?(a) In static polymorphism, the conflict between the function call is resolved during the compile time(b) In static polymorphism, the conflict between the function call is resolved during the run time(c) In static polymorphism, the conflict between the function call is never resolved during the execution of a program(d) In static polymorphism, the conflict between the function call is resolved only if it requiredI had been asked this question in examination.My question comes from C++ Concepts topic in division Basics Concepts of C++ of C++
What is the other name of compile-time polymorphism?(a) Static polymorphism(b) Dynamic polymorphism(c) Executing polymorphism(d) Non-executing polymorphismThis question was posed to me in an online quiz.My query is from C++ Concepts in division Basics Concepts of C++ of C++
Which of the following is correct?(a) struct tag is required in both C and C++ while declaring an object of the structure(b) struct is not required in C but required in C++ while declaring an object of the structure(c) struct is not required in C++ but required in C while declaring an object of the structure(d) struct tag is not required in both C and C++ while declaring an object of the structureThe question was asked during an internship interview.I'm obligated to ask this question of C++ Concepts in chapter Basics Concepts of C++ of C++
Which of the following operator has left to right associativity?(a) Unary operator(b) Logical not(c) Array element access(d) addressofI had been asked this question in a job interview.Question is taken from C++ Concepts in chapter Basics Concepts of C++ of C++

What is std in C++?(a) std is a standard class in C++(b) std is a standard namespace in C++(c) std is a standard header file in C++(d) std is a standard file reading header in C++I got this question during an interview for a job.Enquiry is from C++ Concepts in portion Basics Concepts of C++ of C++

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment