#include <iostream> using std::cout; using std::endl; #include <string> using std::string; int main() { string s1( "AA" ); string s2( " AAB" ); string s3; // cout << "\n\ns1 += \" to you\" yields" << endl; s1 += " to you"; cout << "s1 = " << s1 << "\n\n"; return 0; } /* s1 += " to you" yields s1 = AA to you */