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  1. #include <iostream>
  2. using namespace std;
  3. class Itest{
  4. public:
  5. 	void fun(){cout<<"hello";};
  6. 	int aaa;
  7. };
  8. class test:public Itest{
  9. public:
  10. 	void fun(){cout<<"hello world.";}
  11. 	int a1;
  12. };
  13. int main(){
  14. 	test* a=new test();
  15. 	a->a1=10;
  16. 	a->aaa=10;
  17. 	Itest* b=a;
  18.  
  19. 	test* c=(test*) b;
  20. 	cout<<c->a1;
  21. 	return 0;
  22. }
Success #stdin #stdout 0.02s 2856KB
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stdin
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Standard input is empty
stdout
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10
https://ideone.com/qVnIE
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
public

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