例程 include <iostream.h> class ThreeNumber int m1. m2. m3 public void Input3Integerso void GetMaxo int maino ThreeNumber a a. Input3Integerso a GetMax(; return o例程 include <iostream.h> class ThreeNumber { int m1,m2,m3; public: void Input3Integers()； void GetMax()； }； int main() { ThreeNumber a; a.Input3Integers(); a.GetMax()； return 0; }