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21714017_24_25_01 - PROGRAMACIÓN ORIENTADA A OBJETOS

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¿En qué medida afecta la eficiencia a la corrección de un programa?

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Dado el siguiente programa, ¿qué afirmación es cierta?

1#include <iostream>

 

2class test {

3public:

4 class Fallo{};

5 test(bool b) noexcept : b_{b} {}

6 ~test() noexcept(false) { if (!b_) throw Fallo(); }

7 void func() { if (!b_) throw Fallo(); }

8private:

9 bool b_;

10};

 

11int main() try

12{

13 test t(false);

14 t.func();

15 std::cout << "Fin del programa" << std::endl;

16} catch (const test::Fallo& ex) {

17 std::cerr << "Fallo detectado" << std::endl;

18}

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Dado el siguiente programa, ¿que afirmación es cierta?

1#include<iostream>

 

2struct test {

3 test() noexcept {}

4 void func() { int i = 20; throw &i; }

5};

 

6int main ()

7{

8 try {

9 test t;

10 t.func();

11 } catch (const int& ex) {

12 std::cerr << "Excepción capturada" << std::endl;

13 }

14 std::cout << "Fin del programa" << std::endl;

15}

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El uso de excepciones es la forma más adecuada de tratar...

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