Question

Consider the following C++ program // class declaration class person public: -person)i person ( ) person (int age) i int get_age ()i private: int agei hi // class implementation person::-person age1ih person: :person age-1i) person: :person (int val) 1 ageval; > int person::get_age() return agei h int main) person lucky (42)i person group[1017 person fredi // code qoes here [8 points] Which of the following are valid C++ statements that could be compiled and executed in the main function above? (circle valid or invalid). [valid invalid] [valid invalid] [valid invalid] [valid invalid] [valid invalid] [valid invalid] [valid invalid] [valid invalid] cin fred.age cout <<lucky.get age( cout <<get_age(group[3]) person friend( fred get age0); person* bob-new person(21); group[5].set_age(18); int val-group.get_age0 lucky.get age0-10

Answer 1

1)  invalid
    age is private

2)  valid

3)  invalid
    get_age is a member function. so, it needs to be called on an object.

4)  invalid
    friend is a keyword in C++

5)  valid

6)  invalid
    set_age method does not exists

7)  invalid

8)  invalid