Example Program For Simple Class Example Program For Prime Number In C++

SUBMITTED BY: Nrupeshsinh

DATE: June 24, 2016, 8:31 a.m.

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  1. #include<iostream>
  2. #include<conio.h>
  4. using namespace std;
  6. // Class Declaration
  7. class prime
  8. {
  9. //Member Varibale Declaration
  10. int a,k,i;
  11. public:
  13. prime(int x)
  14. {
  15. a=x;
  16. }
  18. // Object Creation For Class
  19. void calculate()
  20. {
  21. k=1;
  22. {
  23. for(i=2;i<=a/2;i++)
  24. if(a%i==0)
  25. {
  26. k=0;
  27. break;
  28. }
  29. else
  30. {
  31. k=1;
  32. }
  33. }
  34. }
  36. void show()
  37. {
  38. if(k==1)
  39. cout<<"\n"<<a<<" is Prime Number.";
  40. else
  41. cout<<"\n"<<a<<" is Not Prime Numbers.";
  42. }
  43. };
  45. //Main Function
  46. int main()
  47. {
  48. int a;
  49. cout<<"Enter the Number:";
  50. cin>>a;
  52. // Object Creation For Class
  53. prime obj(a);
  55. // Call Member Functions
  56. obj.calculate();
  57. obj.show();
  58. getch();
  59. return 0;
  60. }
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