2022/5/27hgc_experience

 return itsAge;

 return itsWeight;

 Number = 1;
 
   Number = 0;

        cout << "DerivedClass Destruction.Number=" << getNumber() << endl;

public : 
    void InitR(float a , float b, float c, float d) {
        A = a;
        B = b;
        C = c; 
        D = d;
    }
    void Move(float a ,float b ) {
        A += a; B+= b;
    }
    float  GetX() { return  A; }
    float  GetY() { return  B; }
    float  GetH() { return  D; }
    float  GetW() { return  C; }
private : 
    float A, B, C, D;