面向对象方法学-画出运算器的UML图及代码生成.docVIP

面向对象方法学 画出运算器的UML图及代码生成 2009-11-25 UML类图 运行结果 代码 Operator.h #ifndef Operator_Im1d666e35m1252921adaemm7e56_H #define Operator_Im1d666e35m1252921adaemm7e56_H class Operator { public: ///////////////////////////////////////////////////// // public operations ///////////////////////////////////////////////////// virtual double getResult() = 0; void setA(double a); void setB(double b); double getA(); double getB(); private: ///////////////////////////////////////////////////// // private attributes ///////////////////////////////////////////////////// double NumberA; double NumberB; }; #endif // Operator_Im1d666e35m1252921adaemm7e56_H Operator.cpp #include Operator.h void Operator::setA(double a) { NumberA=a; } void Operator::setB(double b) { NumberB=b; } double Operator::getA() { return NumberA; } double Operator::getB() { return NumberB; } Add.h #ifndef Add_Im1d666e35m1252921adaemm7cfe_H #define Add_Im1d666e35m1252921adaemm7cfe_H #include Operator.h class Add : public Operator { public: ///////////////////////////////////////////////////// // public operations ///////////////////////////////////////////////////// double getResult(); }; #endif // Add_Im1d666e35m1252921adaemm7cfe_H Add.cpp #include Add.h double Add::getResult() { // your code here return getA()+getB(); } Sub.h #ifndef Sub_Im1d666e35m1252921adaemm7d26_H #define Sub_Im1d666e35m1252921adaemm7d26_H #include Operator.h class Sub : public Operator { public: ///////////////////////////////////////////////////// // public operations ///////////////////////////////////////////////////// double getResult(); }; #endif // Sub_Im1d666e35m1252921adaemm7d26_H Sub.cpp #include Sub.h double Sub::getResult() { // your code here return getA()-getB(); } Mul.h #ifndef Mul_Im1d666e35m1252921adaemm7cd6_H #define Mul_Im1d666e35m1252921adaemm7cd6_H #include Operator.h class Mul : public Operator { public: ///////////////////////////////////////////////////// // pub