Display the size of a string : string size « string « C++ Tutorial






#include <iostream>
#include <string>

using namespace std;

int main()
{
  string str1("A");
  string str2("B");
  string str3("G");
  string str4;

  cout << "  str1: " << str1 << endl;
  cout << "  str2: " << str2 << endl;
  cout << "  str3: " << str3 << "\n\n";

  // Display the size of str1.
  cout << "str1 contains " << str1.size() << " characters.\n";

  return 0;
}








15.21.string size
15.21.1.Use string.length() to check the string's size
15.21.2.Display the size of a string
15.21.3.string.size()
15.21.4.string size grows
15.21.5.Display the maximum string length
15.21.6.Display the capacity of a string
15.21.7.Set the capacity of a string to 128.
15.21.8.string.size(), string.length, string.capacity(), string.max_size()
15.21.9.functions related to size and capacity