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Null-Terminated Character Arrays

Null-Terminated Character Arrays. Character Arrays. char my_array [10];. NULL-TERMINATED. [0]. [1]. [2]. [3]. [4]. [5]. [6]. [7]. [8]. [9]. c. u. p. ?. ?. ?. ?. ?. ?. ?. [0]. [1]. [2]. [3]. [4]. [5]. [6]. [7]. [8]. [9]. c. u. p. . ?. ?. ?. ?. ?. ?.

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Null-Terminated Character Arrays

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  1. Null-Terminated Character Arrays

  2. Character Arrays char my_array[10];

  3. NULL-TERMINATED [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] c u p ? ? ? ? ? ? ? [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] c u p \0 ? ? ? ? ? ? char array1[10] = {‘c’,’u’,’p’}; char array2[10] = “cup”;

  4. NULL-TERMINATED [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] c u p ? ? ? ? ? ? ? [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] c u p \0 ? ? ? ? ? ? char array1[10] = {‘c’,’u’,’p’}; char array2[10] = “cup”;

  5. NULL-TERMINATED char name[10]; cout << “enter name: “; cin >> name; cout << name;

  6. NULL-TERMINATED [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] ? ? ? ? ? ? ? ? ? ? char name[10]; cout << “enter name: “; cin >> name; cout << name;

  7. NULL-TERMINATED [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] ? ? ? ? ? ? ? ? ? ? char name[10]; cout << “enter name: “; cin >> name; // user inputs Ahmed cout << name;

  8. NULL-TERMINATED [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? char name[10]; cout << “enter name: “; cin >> name; // user inputs Ahmed cout << name;

  9. NULL-TERMINATED [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? char name[10]; cout << “enter name: “; cin >> name; cout << name; //Ahmed is displayed

  10. NULL-TERMINATED [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] ? ? ? ? ? ? ? ? ? ? char name[10]; cout << “enter name: “; cin >> name; // user inputs Jo Ann cout << name;

  11. NULL-TERMINATED [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] J o \0 ? ? ? ? ? ? ? char name[10]; cout << “enter name: “; cin >> name; // user inputs Jo Ann cout << name;

  12. NULL-TERMINATED [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] J o \0 ? ? ? ? ? ? ? char name[10]; cout << “enter name: “; cin >> name; cout << name; //Jo is displayed

  13. Using the Null-Terminating Character [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. long string_length (const char ntca[]) {     long length = 0;     while (ntca[length] != ‘\0’)         length++;     return length; }

  14. Using the Null-Terminating Character length = 0 [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. long string_length (const char ntca[]) {     long length = 0;     while (ntca[length] != ‘\0’)         length++;     return length; }

  15. Using the Null-Terminating Character length = 0 [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. long string_length (const char ntca[]) {     long length = 0;     while (ntca[length] != ‘\0’)         length++;     return length; }

  16. Using the Null-Terminating Character length = 1 [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. long string_length (const char ntca[]) {     long length = 0;     while (ntca[length] != ‘\0’)         length++;     return length; }

  17. Using the Null-Terminating Character length = 1 [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. long string_length (const char ntca[]) {     long length = 0;     while (ntca[length] != ‘\0’)         length++;     return length; }

  18. Using the Null-Terminating Character length = 2 [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. long string_length (const char ntca[]) {     long length = 0;     while (ntca[length] != ‘\0’)         length++;     return length; }

  19. Using the Null-Terminating Character length = 2 [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. long string_length (const char ntca[]) {     long length = 0;     while (ntca[length] != ‘\0’)         length++;     return length; }

  20. Using the Null-Terminating Character length = 3 [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. long string_length (const char ntca[]) {     long length = 0;     while (ntca[length] != ‘\0’)         length++;     return length; }

  21. Using the Null-Terminating Character length = 3 [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. long string_length (const char ntca[]) {     long length = 0;     while (ntca[length] != ‘\0’)         length++;     return length; }

  22. Using the Null-Terminating Character length = 4 [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. long string_length (const char ntca[]) {     long length = 0;     while (ntca[length] != ‘\0’)         length++;     return length; }

  23. Using the Null-Terminating Character length = 4 [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. long string_length (const char ntca[]) {     long length = 0;     while (ntca[length] != ‘\0’)         length++;     return length; }

  24. Using the Null-Terminating Character length = 5 [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. long string_length (const char ntca[]) {     long length = 0;     while (ntca[length] != ‘\0’)         length++;     return length; }

  25. Using the Null-Terminating Character length = 5 [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. long string_length (const char ntca[]) {     long length = 0;     while (ntca[length] != ‘\0’)         length++;     return length; }

  26. Using the Null-Terminating Character length = 5 [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. long string_length (const char ntca[]) {     long length = 0;     while (ntca[length] != ‘\0’)         length++;     return length; }

  27. Using the Null-Terminating Character length = i= output buffer= [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) {     long length = string_length(ntca);     for (long i = length-1; i >= 0; i--) cout<<ntca[i];     return; }

  28. Using the Null-Terminating Character length = 5 i= output buffer= [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) {     long length = string_length(ntca);     for (long i = length-1; i >= 0; i--) cout<<ntca[i];     return; }

  29. Using the Null-Terminating Character length = 5 i=4 output buffer= [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) {     long length = string_length(ntca);     for (long i = length-1; i >= 0; i--) cout<<ntca[i];     return; }

  30. Using the Null-Terminating Character length = 5 i=4 output buffer=d [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) {     long length = string_length(ntca);     for (long i = length-1; i >= 0; i--) cout<<ntca[i];     return; }

  31. Using the Null-Terminating Character length = 5 i=3 output buffer=d [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) {     long length = string_length(ntca);     for (long i = length-1; i >= 0; i--) cout<<ntca[i];     return; }

  32. Using the Null-Terminating Character length = 5 i=3 output buffer=de [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) {     long length = string_length(ntca);     for (long i = length-1; i >= 0; i--) cout<<ntca[i];     return; }

  33. Using the Null-Terminating Character length = 5 i=2 output buffer=de [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) {     long length = string_length(ntca);     for (long i = length-1; i >= 0; i--) cout<<ntca[i];     return; }

  34. Using the Null-Terminating Character length = 5 i=2 output buffer=dem [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) {     long length = string_length(ntca);     for (long i = length-1; i >= 0; i--) cout<<ntca[i];     return; }

  35. Using the Null-Terminating Character length = 5 i=1 output buffer=dem [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) {     long length = string_length(ntca);     for (long i = length-1; i >= 0; i--) cout<<ntca[i];     return; }

  36. Using the Null-Terminating Character length = 5 i=1 output buffer=demh [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) {     long length = string_length(ntca);     for (long i = length-1; i >= 0; i--) cout<<ntca[i];     return; }

  37. Using the Null-Terminating Character length = 5 i=0 output buffer=demh [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) {     long length = string_length(ntca);     for (long i = length-1; i >= 0; i--) cout<<ntca[i];     return; }

  38. Using the Null-Terminating Character length = 5 i=0 output buffer=demhA [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) {     long length = string_length(ntca);     for (long i = length-1; i >= 0; i--) cout<<ntca[i];     return; }

  39. Using the Null-Terminating Character length = 5 i=-1 output buffer=demhA [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] A h m e d \0 ? ? ? ? // Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) {     long length = string_length(ntca);     for (long i = length-1; i >= 0; i--) cout<<ntca[i];     return; }

  40. Forbidden Acts char ntca[10]; ntca = “bob”; char ntca1[10] = “Bob”; char ntca2[10] = “Robert”; if (ntca1 == ntca2)

  41. Forbidden Acts char ntca[10]; ntca = “bob”; char ntca1[10] = “Bob”; char ntca2[10] = “Robert”; if (ntca1 == ntca2)

  42. Forbidden Acts char ntca[10]; ntca = “bob”; char ntca1[10] = “Bob”; char ntca2[10] = “Robert”; if (ntca1 == ntca2)

  43. Forbidden Acts char ntca[10]; ntca = “bob”; char ntca1[10] = “Bob”; char ntca2[10] = “Robert”; if (ntca1 == ntca2)

  44. Forbidden Acts char ntca[10]; ntca = “bob”; char ntca1[10] = “Bob”; char ntca2[10] = “Robert”; if (ntca1 == ntca2)

  45. Forbidden Acts char ntca[10]; ntca = “bob”; char ntca1[10] = “Bob”; char ntca2[10] = “Robert”; if (ntca1 == ntca2)

  46. Forbidden Acts char ntca[10]; ntca = “bob”; char ntca1[10] = “Bob”; char ntca2[10] = “Robert”; if (ntca1 == ntca2)

  47. Forbidden Acts char ntca[10]; ntca = “bob”; char ntca1[10] = “Bob”; char ntca2[10] = “Robert”; if (ntca1 == ntca2)

  48. End of Session

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