C++ Tutorial/string/string at

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Demonstrating member function at

<source lang="cpp">#include <iostream> using std::cout; using std::endl;

  1. include <string>

using std::string; int main() {

  string string1( "cat" );
  string string2;
  string string3;
  string2 = string1;
  string3.assign( string1 );
  
  cout << "string1: " << string1 << "\nstring2: " << string2
     << "\nstring3: " << string3 << "\n\n";
  // demonstrating member function at
  for ( int i = 0; i < string3.length(); i++ ) 
     cout << string3.at( i );
  return 0;

}</source>

string1: cat
string2: cat
string3: cat
cat"

Use member function at() to

<source lang="cpp">#include <iostream>

  1. include <string>

using namespace std; int main() {

  string s1( "cat" ), s2, s3;
  s2 = s1;          
  s3.assign( s1 );  
  cout << "s1: " << s1 << "\ns2: " << s2 << "\ns3: "
       << s3 << "\n\n";
  // demonstrating member function at()
  int len = s3.length();
  for ( int x = 0; x < len; ++x ) 
     cout << s3.at( x );
  return 0;

}</source>