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Functions below are defined in C++: void f(const Rational &a) {.; a.clear(3);.;a.out();} void Rational:clear(){ a=b=0;} void Rational::out() const {...; a=b=0; } Which of the below statements are correct ? 1- Constant functions cannot update member variables, only can inspect them a=b=0 in out() is invalid above 2- If an object is constant, only constant member functions can be called. a.clear(3); is invalid above O 2 O 1,2 O 1 None

Functions below are defined in C++: void f(const Rational &a) {.; a.clear(3);.;a.out();} void Rational:clear(){ a=b=0;} void Rational::out() const {...; a=b=0; } Which of the below statements are correct ? 1- Constant functions cannot update member variables, only can inspect them a=b=0 in out() is invalid above 2- If an object is constant, only constant member functions can be called. a.clear(3); is invalid above O 2 O 1,2 O 1 None

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Functions below are defined in C++: void f(const Rational &a) { .; a.clear(3);.;a.out();} void Rational::clear(){ a=b=0;} void Rational::out() const {.; a=b=0; } Which of the below statements are correct ? 1- Constant functions cannot update member variables, only can inspect them a=b=0 in out() is invalid above 2- If an object is constant, only constant member functions can be called. a.clear(3); is invalid above O 2 O 1,2 1 None
Transcribed Image Text:Functions below are defined in C++: void f(const Rational &a) { .; a.clear(3);.;a.out();} void Rational::clear(){ a=b=0;} void Rational::out() const {.; a=b=0; } Which of the below statements are correct ? 1- Constant functions cannot update member variables, only can inspect them a=b=0 in out() is invalid above 2- If an object is constant, only constant member functions can be called. a.clear(3); is invalid above O 2 O 1,2 1 None
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