Pick out the correct syntax of operator conversion.
How types are there in user defined conversion?
What is the output of this program?
1.
#include
2.
using namespace std;
3.
int main()
4.
{
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double a = 21.09399;
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float b = 10.20;
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int c ;
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c = (int) a;
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cout << c ;
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c = (int) b;
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cout << c ;
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return 0;
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}
What is the output of this program?
1.
#include
2.
#include
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using namespace std;
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class test
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{
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public:
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operator string ()
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{
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return "Converted";
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}
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};
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int main()
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{
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test t;
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string s = t;
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cout << s << endl;
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return 0;
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}
What is the output of this program?
1.
#include
2.
#include
3.
using namespace std;
4.
class Complex
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{
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private:
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double real;
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double imag;
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public:
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Complex(double r = 0.0, double i = 0.0) : real(r), imag(i)
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{}
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double mag()
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{
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return getMag();
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}
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operator double ()
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{
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return getMag();
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}
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private:
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double getMag()
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{
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return sqrt(real * real + imag * imag);
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}
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};
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int main()
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{
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Complex com(3.0, 4.0);
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cout << com.mag();
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cout << com;
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return 0
32.
}