最新的C++ Institute CPA - C++ Certified Associate Programmer - CPA-21-02免費考試真題
問題1
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
void set(struct person*);
struct person
{
char name[25];
int age;
};
int main()
{
struct person e = {"Steve", 30};
set(&e);
cout<< e.name << " " << e.age;
return 0;
}
void set(struct person *p)
{
p?>age = p?>age + 1;
}
#include <iostream>
using namespace std;
void set(struct person*);
struct person
{
char name[25];
int age;
};
int main()
{
struct person e = {"Steve", 30};
set(&e);
cout<< e.name << " " << e.age;
return 0;
}
void set(struct person *p)
{
p?>age = p?>age + 1;
}
正確答案: C
問題2
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main()
{
int i = 5;
cout<<"Hello World" << ++i;
return 0;
}
#include <iostream>
using namespace std;
int main()
{
int i = 5;
cout<<"Hello World" << ++i;
return 0;
}
正確答案: C
問題3
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
class A
{
public:
void Print(){ cout<<"A";}
};
class B:public A
{
public:
virtual void Print(){ cout<< "B";}
};
int main()
{
A *obj;
A ob1;
obj = &ob1;
obj?>Print();
B ob2;
obj = &ob2;
obj?>Print();
}
#include <iostream>
using namespace std;
class A
{
public:
void Print(){ cout<<"A";}
};
class B:public A
{
public:
virtual void Print(){ cout<< "B";}
};
int main()
{
A *obj;
A ob1;
obj = &ob1;
obj?>Print();
B ob2;
obj = &ob2;
obj?>Print();
}
正確答案: A
問題4
What will the variable "y" be in class B?
class A {
int x;
protected:
int y;
public:
int age;
};
class B : private A {
string name;
public:
void Print() {
cout << name << age;
}
};
class A {
int x;
protected:
int y;
public:
int age;
};
class B : private A {
string name;
public:
void Print() {
cout << name << age;
}
};
正確答案: C
問題5
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
class complex{
double re;
double im;
public:
complex() : re(0),im(0) {}
complex(double x) { re=x,im=x;};
complex(double x,double y) { re=x,im=y;}
void print() { cout << re << " " << im;}
};
int main(){
complex c1;
c1.print();
return 0;
}
#include <iostream>
using namespace std;
class complex{
double re;
double im;
public:
complex() : re(0),im(0) {}
complex(double x) { re=x,im=x;};
complex(double x,double y) { re=x,im=y;}
void print() { cout << re << " " << im;}
};
int main(){
complex c1;
c1.print();
return 0;
}
正確答案: C
問題6
What happens when you attempt to compile and run the following code?
正確答案: B
問題7
What is the output of the program if characters 't', 'e', 's' and 't' enter are supplied as input?
#include <iostream>
#include <string>
using namespace std;
int main()
{
string s;
getline( cin, s );
cout << s << " " << s.length();
return( 0 );
}
#include <iostream>
#include <string>
using namespace std;
int main()
{
string s;
getline( cin, s );
cout << s << " " << s.length();
return( 0 );
}
正確答案: D
問題8
What is the output of the program given below?
#include <iostream>
using namespace std;
int main (int argc, const char * argv[])
{
float f=?10.501;
cout<<(int)f;
}
#include <iostream>
using namespace std;
int main (int argc, const char * argv[])
{
float f=?10.501;
cout<<(int)f;
}
正確答案: A
問題9
A condition expression used by if(), while(), and do-while() must evaluate to and only to:
正確答案: D
問題10
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
void fun(int);
int main()
{
int a=0;
fun(a);
return 0;
}
void fun(int n)
{
if(n < 2)
{
fun(++n);
cout << n;
}
}
#include <iostream>
using namespace std;
void fun(int);
int main()
{
int a=0;
fun(a);
return 0;
}
void fun(int n)
{
if(n < 2)
{
fun(++n);
cout << n;
}
}
正確答案: D
問題11
What will be the output of the program?
#include <iostream>
using namespace std;
int main()
{
const int y = 5;
const x = ?10;
cout<<x<<" "<<y;
return 0;
}
#include <iostream>
using namespace std;
int main()
{
const int y = 5;
const x = ?10;
cout<<x<<" "<<y;
return 0;
}
正確答案: D
問題12
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main()
{
const int x=0;
const int *ptr;
ptr = &x;
cout<<*ptr;
return 0;
}
#include <iostream>
using namespace std;
int main()
{
const int x=0;
const int *ptr;
ptr = &x;
cout<<*ptr;
return 0;
}
正確答案: A
問題13
Which of the following operators accept integer arguments only? (Choose two.)
正確答案: A,C
