Which of the following statements is false? A client of a class is any other code that calls the class’s member functions. Tightly controlling the access to and presentation of private data can greatly reduce errors, while increasing the usability, robustness and security of your programs. Through the use of set and get member functions, you can validate attempted modifications to private data and control how that data is presented to the caller. Any client code can see a private data member and do whatever it wants with it, including setting it to an invalid value.