CPA-21-02 exam

What happens when you attempt to compile and run the following code? #include <iostream> #include <string> using namespace std; class A { protected: int y; public: int x; int z; A() { x=2; y=2; z=3; } A(int a, int b) : x(a), y(b) { z = x ? y;} void...

What is the output of the program? #include <iostream> #include <string> using namespace std; int main() { string s1="Hello"; string s2="World"; s1+=s2; cout << s1; return( 0 ); }A . It prints: HelloWorld B.It prints: Hello C.It prints: World D.It prints: HelWorldView AnswerAnswer: A

What happens when you attempt to compile and run the following code? #include <iostream> #include <string> using namespace std; class A { public: A() { cout << "A0 ";} A(string s) { cout << "A1";} }; class B : public A { public: B() { cout << "B0 ";} B(string...

What happens when you attempt to compile and run the following code? #include <iostream> using namespace std; #include <iostream> using namespace std; class First { public: void Print(){ cout<<"from First";} }; int main() { First t[2]; for (int i=0; i<2; i++) t[i].Print(); }A . It prints: from First B.It prints:...

What happens when you attempt to compile and run the following code? #include <iostream> using namespace std; class A { public: virtual void Print(){ cout<<"A";} }; class B:public A { public: void Print(){ cout<< "B";} }; int main() { A *obj; A ob1; obj = &ob1; obj?>Print(); B ob2; obj...

What happens when you attempt to compile and run the following code? #include <cstdlib> #include <iostream> using namespace std; inline float sum(float a,float b) { return a+b; } int main() { float a,b; a = 1.5; b = 3.4; cout<<sum(a,b); return 0; }A . It prints: 0 B.It prints: 4.9...

What happens when you attempt to compile and run the following code? #include <iostream> #include <string> using namespace std; class A { public: A() { cout << "A no parameters";} A(string s) { cout << "A string parameter";} A(A &a) { cout << "A object A parameter";} }; class B...

What happens when you attempt to compile and run the following code? #include <iostream> using namespace std; class BaseClass { public: int *ptr; BaseClass(int i) { ptr = new int(i); } ~BaseClass() { delete ptr; delete ptr;} void Print() { cout << *ptr; } }; void fun(BaseClass x); int main()...

What happens when you attempt to compile and run the following code? #include <iostream> using namespace std; void fun(int &i); int main() { int i=2; fun(i); cout<<i; return 0; } void fun(int &i) { i+=2; }A . It prints: 2 B.It prints: 0 C.It prints: 4 D.It prints: 16View AnswerAnswer:...

Which statement should be added in the following program to make work it correctly? using namespace std; int main (int argc, const char * argv[]) { cout<<"Hello"; }A . #include<stdio.h> B.#include<stdlib.h> C.#include <iostream> D.#include<conio.h>View AnswerAnswer: C