How many access specifiers are there in c++?

1.	How many access specifiers are there in c++?
A.	4
B.	3
C.	2
D.	1
E.	None of these
Answer» C. 2

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What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> using namespace std; struct A; struct B { void fun1(A*); }; struct A { private: int k; public: void initialize(); friend void fun2(A* , int); friend void B :: fun1(A*); friend struct C; friend void fun3(); }; void A :: initialize() { k = 0; } void fun2(A* a, int k) { a -> k = k; } void B :: fun1(A * a) { a -> k = 35; cout << a->k; } struct C { private: int L; public: void initialize(); void fun2(A* a); }; void C::initialize() { L = 45; } void C::fun2(A* a) { a -> k += L; } void fun3() { A a; a.k = 150; cout << a.k; } int main() { A a; C c; c.fun2(&a); cout << "Data accessed"; } </pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> using namespace std; struct N { private: int p, q, s; public: int fun1(); void fun2(); }; int N :: fun1() { return p + q + s; } void N :: fun2() { p = q = s = 0; } class M { int p, q, s; public: int fun1(); void fun2(); }; int M :: fun1() { return p + q + s; } void M :: fun2() { p = q = s = 0; } int main() { N obj1; M obj2; obj1.fun1(); obj1.fun2(); obj2.fun1(); obj2.fun2(); cout << "Identical results..."; } </pre>
What is the importance of mutable keyword?
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How many access specifiers are there in c++?

How many access specifiers are there in c++?

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