#include #include using namespace std; class str{ private: string str_string; public: void operator=(string given_string){ this->str_string = given_string; } // str(string given_string){ // str_string = given_string; // } void capitalize(){ int firstLetter = str_string[0]; char newFirstLetter = firstLetter - 32; str_string[0] = newFirstLetter; } void upper(){ int i = 0; while(str_string[i] != '\0'){ if(97 <= str_string[i] && str_string[i] <= 122){ int str_string_letter = str_string[i] - 32; str_string[i] = str_string_letter; } i++; } } void lower(){ int i = 0; while(str_string[i] != '\0'){ if(65 <= str_string[i] && str_string[i] <= 90){ int str_string_letter = str_string[i] + 32; str_string[i] = str_string_letter; } i++; } } void strip(){ int l = len(*this); int indx; string new_string = ""; for(indx = 0; indx < l; indx++){ if(str_string[indx] == ' '){ str_string[indx] = '\b'; } else{ break; } } for(indx = l - 1; indx > -1; indx--){ if(str_string[indx] == ' '){ str_string[indx] = '\b'; } else{ break; } } } int count(char value){ int times = 0; for (int i: str_string){ if (i == value){ times++; } } return times; } friend void print(str obj); friend int len(str obj); }; int len(str obj){ int i = 0; while(obj.str_string[i] != '\0'){ i++; } return i; } void print(str obj){ cout << obj.str_string << endl; } int main() { str b; b = "bob"; b.capitalize(); print(b); cout << b.count('b') << endl; b.upper(); cout << len(b) << endl; print(b); b = " b "; b.strip(); print(b); return 0; }

Python String Methods (in C++!)