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  1. #include<iostream>
  2. using namespace std;
  3.  
  4. class derivedClass;
  5. class baseClass
  6. {
  7. public:
  8.     int objID;
  9.     derivedClass* dcObjPtr;
  10.  
  11.     baseClass()
  12.     {
  13.         cout << "(1) Default constructor" << objID << endl;
  14.     }
  15.  
  16.     baseClass(int ID);
  17.  
  18. };
  19.  
  20. class derivedClass : public baseClass
  21. {
  22. public:
  23.     derivedClass()
  24.     {}
  25.  
  26.     derivedClass(int ID) : baseClass(ID)
  27.     {
  28.         cout << "(4) Constructing derived object with ID: " << objID << endl;
  29.     }
  30. };
  31.  
  32. baseClass::baseClass(int ID)
  33. {
  34.     objID = ID;
  35.     dcObjPtr = new derivedClass(1);
  36.     cout << "(2) Constructing base object with ID: " << objID << endl;
  37. }
  38.  
  39. int main(int argc, char** argv)
  40. {
  41.     derivedClass dcObj(1);
  42.  
  43.     return 0;
  44. }
Runtime error #stdin #stdout 0.01s 13312KB
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Standard input is empty
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Standard output is empty
https://ideone.com/hOzQKD
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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