C++ Primer Plus

Deriving a Class

Some members of the Webtown Social Club have played in local table tennis tournaments, and they demand a class that includes the point ratings they’ve earned through their play. Rather than start from scratch, you can derive a class from the TableTennisPlayer class. The first step is to have the RatedPlayer class declaration show that it derives from the TableTennisPlayer class:

// RatedPlayer derives from the TableTennisPlayer base classclass RatedPlayer : public TableTennisPlayer{...};

The colon indicates that the RatedPlayer class is based on the TableTennisPlayer class. This particular heading indicates that TableTennisPlayer is a public base class; this is termed public derivation. An object of a derived class incorporates ...