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penggunaan private pada class

Jan 16th, 2017
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  1. //Penggunaan private pada class
  2. #include <conio.h>
  3. #include <iostream>
  4. #include <stdlib.h>
  5. #define pi 3.14
  6. using namespace std;
  7. class tabung
  8. {
  9. private :
  10. int j,t;
  11. float v,k;
  12. public :
  13. tabung( );
  14. void keluaran( );
  15. };
  16.  
  17. main()
  18. {
  19. system("cls");
  20. tabung s;
  21. s.keluaran( );
  22. getch( );
  23. }
  24.  
  25. tabung::tabung( )
  26. {
  27. cout<<"\n Menghitung Tabung"<<endl
  28. <<" -----------------"<<endl<<endl;
  29. cout<<" Masukan Jari-jari = ";cin>>j;
  30. cout<<" Masukan Tinggi = ";cin>>t;
  31. v=(pi*j*j)*t;
  32. k=(2*(pi*2*j))+t;
  33. }
  34.  
  35. void tabung::keluaran( )
  36. {
  37. cout<<endl
  38. <<" Volume Tabung = "<<v<<endl
  39. <<" Keliling Tabung = "<<k<<endl;
  40. }
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