online compiler and debugger for c/c++

/*************************************************************** * Name: Prof. Orta * Course: Computer Science & Programming * Class: CS04103 Section: 1 & 2 * Assignment Date: 11/19/20 * File Name: Chapter12.cpp ***************************************************************** * Purpose: Explain the use of C-string and String objects *****************************************************************/ #include <iostream> #include <cctype> #include <iomanip> #include <string> #include <cstring> using namespace std; int main() { char input, initial; string line; line.assign(80,'*'); cout << line << endl << setw(45) << right << "Testing Characters" << endl << line << endl; // Testing Characters cout << "\nPlease enter a character: "; cin.get(input); cout << "The character you entered is: " << input << endl; if (isalpha(input)) cout << "That's an alphabetic character.\n"; if (isdigit(input)) cout << "That's a numeric digit.\n"; if (islower(input)) cout << "The letter you entered is lowercase.\n"; if (isupper(input)) cout << "The letter you entered is uppercase.\n"; if (isspace(input)) cout << "That's a whitespace character.\n"; // Character case conversion cout << "\nPress <enter> to continue"; cin.get(); cin.ignore(); cout << endl << line << endl << setw(45) << right << "Characters case conversion" << endl << line << endl; cout << "\nPlease enter your first initial in uppercase: "; cin.get(initial); cout << "Your first initial is: " << char(tolower(initial)) ; cout << "\nPlease enter your Last name initial in lowercase: "; cin.ignore(); cin.get(initial); cout << "Your last name initial is: " << char(toupper(initial)) << endl; // C-string /*Because an array is a sequence of consecutive memory locations that store values of the same type, a C-string is really a null-terminated array of characters. C-strings can appear in a program in one of three forms: “Hard-coded” string literals Programmer-defined arrays of character Pointers to character */ cout << "\nPress <enter> to continue"; cin.get(); cin.ignore(); cout << line << endl << setw(45) << right << "C-strings" << endl << line << endl; const char *aPtr = nullptr; char *fnamePtr; aPtr = "C-String Literal"; cout << "This is a " << aPtr; char fname[20]="Rafael "; char lname[]="Orta"; char fullName[20]; cout << "\nMy name is: " << endl; for (int s=0 ; s<7 ; s++) { cout << endl <<fname[s]; } // Pointer to the array. cout << "\nPress <enter> to continue:"; cin.get(); cin.ignore(); fnamePtr = fname; cout << "\nMy name is: " << fnamePtr << " and it has " << strlen(fname)-1 << " characters " << endl; cout << "My full name is: " << strcat(fname,lname); strcpy(fullName,fname); cout << "\nMy full Name is: " << fullName; if (strcmp(fname, fullName)==0) cout << "\nThey are the same" << endl; else cout << "\nThey are different" << endl; // Converting to Strings cout << "\nPress <enter> to continue:"; cin.get(); cin.ignore(); cout << line << endl << setw(45) << right << "Converting to Strings" << endl << line << endl; int a = 5; string str = to_string(a*a); cout << "The square of 5 is " << str << endl; // The String Class cout << "\nPress <enter> to continue:"; cin.get(); cin.ignore(); cout << line << endl << setw(45) << right << "The String class" << endl << line << endl; string f1name = "Rafael Orta"; cout << "The full name: " << f1name << " has " << f1name.size() << " characters "; cout << "\nThe space is located in the position: " << f1name.find(' ',0); cout << "\nThe charater at the position 7 is: " << f1name.at(7); cout << "\nThe last name is: " << f1name.substr(7,4); return 0; }