/ Published in: C++

URL: http://www.cplusplus.com/forum/articles/6046/
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#include <iostream> #include <string> #include <sstream> using namespace std; int main() { string input = ""; // How to get a string/sentence with spaces cout << "Please enter a valid sentence (with spaces):\n>"; getline(cin, input); cout << "You entered: " << input << endl << endl; // How to get a number. int myNumber = 0; while (true) { cout << "Please enter a valid number: "; getline(cin, input); // This code converts from string to number safely. stringstream myStream(input); if (myStream >> myNumber) break; cout << "Invalid number, please try again" << endl; } cout << "You entered: " << myNumber << endl << endl; // How to get a single char. char myChar = { 0 }; while (true) { cout << "Please enter 1 char: "; getline(cin, input); if (input.length() == 1) { myChar = input[0]; break; } cout << "Invalid character, please try again" << endl; } cout << "You entered: " << myChar << endl << endl; cout << "All done. And without using the >> operator" << endl; return 0; }
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