C++ How to Program, 10/e

... << "string2.compare(0, 3, string4) > 0\n";
74     }
75     else { // result < 0
76        cout << "string2.compare(0, 3, string4) < 0\n";
77     }
78  }

string1: Testing the comparison functions.
string2: Hello
string3: stinger
string4: Hello

string1 > string4
string1.compare(string2) > 0
string1.compare(2, 5, string3, 0, 5) == 0
string4.compare(0, string2.size(), string2) == 0
string2.compare(0, 3, string4) < 0

The program declares four strings (lines 8–11) and outputs each (lines 13–14). Line 17 tests string1 against string4 for equality using the overloaded equality operator. If the condition is true, "string1 == string4" is output. If the condition is false, the condition in line 20 is tested. All the string class overloaded relational and equality operator ...