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  1. #include <iostream>
  2. #include <string>
  3. #include <cstring>
  4.  
  5. class Person
  6. {
  7. private:
  8.     std::string lname;
  9.     char *fname;
  10.  
  11. public:
  12.     Person() : Person("{null}", "{null}") {}
  13.  
  14.     Person(const std::string &ln)
  15. 		: Person()
  16. 	{
  17. 		lname = ln;
  18. 	}
  19.  
  20.     Person(const std::string &ln, const char *fn)
  21. 		: lname(ln), fname( new char [strlen(fn) + 1] )
  22. 	{
  23. 		strcpy(fname, fn);
  24. 	}
  25.  
  26.     ~Person()
  27.     {
  28.     	delete [] fname;
  29.     }
  30.  
  31.     void Show() const
  32.     {
  33.     	std::cout << fname << " " << lname << std::endl;
  34.     }
  35.  
  36.     void FormalShow() const
  37.     {
  38.     	std::cout << lname << ", " << fname << std::endl;
  39.     }
  40. };
  41.  
  42.  
  43. int main()
  44. {
  45. 	Person one;
  46. 	Person two("Smythecraft");
  47. 	Person three("Dimwiddy", "Sam");
  48.  
  49. 	one.Show();
  50. 	one.FormalShow();
  51.  
  52. 	std::cout << std::endl;
  53. 	two.Show();
  54. 	two.FormalShow();
  55.  
  56. 	std::cout << std::endl;
  57. 	three.Show();
  58. 	three.FormalShow();
  59. 	std::cout << std::endl;
  60.     system("pause");
  61. }
  62.  
Success #stdin #stdout #stderr 0s 3432KB
comments (?)
stdin 
Standard input is empty
stdout 
{null} {null}
{null}, {null}

{null} Smythecraft
Smythecraft, {null}

Sam Dimwiddy
Dimwiddy, Sam
stderr 
sh: pause: not found
https://ideone.com/3DOjoH
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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