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Chapter's 9, 10, 11, 12 - Coggle Diagram

- - - - another string
      - a string constant
      - a single character.
  - - - At least one operand must be a string class object. The expression "Good morning " + mister X" would be invalid!
  - - - is true only if both strings are identical; this requires that both strings are exactly the same length.
    - - is true only if the first character in s1 that differs from the corresponding character in s2 is smaller than the corresponding character in s2, or if s2 is simply an extension of s1.
  - - - Example “Bob and Bill”
      - string s1("There they go again!"),
      - s2("Bob and Bill");
      - s1.replace(6, 4, s2);
  - - - string s1("Here comes Mike!"),
      - s2("my love?");
      - s1.replace(11, 4, s2, 0, 7);
      - The string s1 is changed to "Here comes my love!".
- - - - double x, y, *px;
        
        px = &x; // Let px point to x.
        
        *px = 12.3; // Assign the value 12.3 to x
        
        *px += 4.5; // Increment x by 4.5.
        
        y = sin(*px); // To assign sine of x to y