下面是一个类声明: class Move { private: double x; double y; public: Move(double a = 0, double b = 0); // sets x,y to a,b showmove() const; // shows current x,y values Move add(const Move & m) const; // this function adds x of m to x of invoking object to get new x, // adds y of m to y of invoking object to get new y, creates a new // move object initialized to new x, y values and return it reset(double a = 0, double b = 0); // resets x, y to a, b }; 请提供成员函数的定义和测试这个类的程序。-笔试面试资料
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提供答案分析,通过本文《下面是一个类声明: class Move { private: double x; double y; public: Move(double a = 0, double b = 0); // sets x,y to a,b showmove() const; // shows current x,y values Move add(const Move & m) const; // this function adds x of m to x of invoking object to get new x, // adds y of m to y of invoking object to get new y, creates a new // move object initialized to new x, y values and return it reset(double a = 0, double b = 0); // resets x, y to a, b }; 请提供成员函数的定义和测试这个类的程序。-笔试面试资料》可以理解其中的代码原理,这是一篇很好的求职学习资料
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答案:
下面是一个类声明:
class Move { private: double x; double y; public: Move(double a = 0, double b = 0); // sets x,y to a,b showmove() const; // shows current x,y values Move add(const Move & m) const; // this function adds x of m to x of invoking object to get new x, // adds y of m to y of invoking object to get new y, creates a new // move object initialized to new x, y values and return it reset(double a = 0, double b = 0); // resets x, y to a, b };
请提供成员函数的定义和测试这个类的程序。
#include <iostream> using namespace std; class Move { public: Move(double a=0,double b=0); void showmove() const; Move add(const Move &m); void reset(double a=0,double b=0); private: double x; double y; }; Move::Move(double a,double b) { x=a; y=b; } void Move::showmove() const { cout<<"Current x="<<x<<",y="<<y<<endl; } Move Move::add(const Move &m) { Move temp; temp.x=x+m.x; temp.y=y+m.y; return temp; } void Move::reset(double a,double b) { x=a; y=b; } int main() { Move a,b(12.5,19); double x,y; a.showmove(); b.showmove(); cout<<"Enter x and y:"<<endl; cin>>x>>y; cout<<"Reset object A:"<<endl; a.reset(x,y); a.showmove(); b.showmove(); cout<<"Object A add B:"<<endl; a=a.add(b); a.showmove(); b.showmove(); system("pause"); return 0; }
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qklbishe.com区块链毕设代做网专注|以太坊fabric-计算机|java|毕业设计|代做平台 » 下面是一个类声明: class Move { private: double x; double y; public: Move(double a = 0, double b = 0); // sets x,y to a,b showmove() const; // shows current x,y values Move add(const Move & m) const; // this function adds x of m to x of invoking object to get new x, // adds y of m to y of invoking object to get new y, creates a new // move object initialized to new x, y values and return it reset(double a = 0, double b = 0); // resets x, y to a, b }; 请提供成员函数的定义和测试这个类的程序。-笔试面试资料
qklbishe.com区块链毕设代做网专注|以太坊fabric-计算机|java|毕业设计|代做平台 » 下面是一个类声明: class Move { private: double x; double y; public: Move(double a = 0, double b = 0); // sets x,y to a,b showmove() const; // shows current x,y values Move add(const Move & m) const; // this function adds x of m to x of invoking object to get new x, // adds y of m to y of invoking object to get new y, creates a new // move object initialized to new x, y values and return it reset(double a = 0, double b = 0); // resets x, y to a, b }; 请提供成员函数的定义和测试这个类的程序。-笔试面试资料