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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. class Test
  6. {
  7. private:
  8. 	int *a;
  9. 	int size;
  10. public:
  11. 	Test(int value);
  12. //	Test (const Test &obj);
  13. 	Test& operator=(const Test &obj);
  14. 	int getSize()
  15. 	{
  16. 		return *a;
  17. 	}
  18. 	void setValue(int val)
  19. 	{
  20. 		*a = val;
  21. 	}
  22. };
  23.  
  24. /*Test::Test (const Test &obj)
  25. {
  26.     size = obj.size;
  27.     
  28. }*/
  29.  
  30. Test& Test::operator=(const Test &obj)
  31. {
  32. 	if (this == &obj)
  33. 		return *this;
  34.  
  35. 	size = obj.size;
  36.  
  37. 	*a = *(obj.a);
  38. 	return *this;
  39. }
  40.  
  41. Test::Test(int value)
  42. {
  43. 	a = NULL;
  44. 	size = value;
  45. 	cout << "size is " << size << "\n";
  46. 	a = new int(size);
  47. 	if (a == NULL)
  48. 		cout << "Memory allocation failed\n";
  49. }
  50.  
  51. int main()
  52. {
  53. 	Test t1(5);
  54. 	{
  55. 		Test t2(6);
  56. 		t2 = t1;
  57. 		t2.setValue(12);
  58. 		cout << "t2 size is " << t2.getSize() <<"\n";
  59. 	}
  60. 	cout << "t1 size is " << t1.getSize() << "\n";
  61.  
  62. 	return 0;
  63. }
Success #stdin #stdout 0s 3456KB
comments (?)
stdin
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Standard input is empty
stdout
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size is 5
size is 6
t2 size is 12
t1 size is 5
https://ideone.com/nbUoHI
language:
C++14 (clang 8.0)
created:
8 years ago
visibility:
public

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