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指令“Circle(1000,1000),500,,-6,-3”将绘制()。

  • A、画圆
  • B、椭圆
  • C、扇形
  • D、圆弧

参考答案

更多 “指令“Circle(1000,1000),500,,-6,-3”将绘制()。A、画圆B、椭圆C、扇形D、圆弧” 相关考题
考题 ●试题六阅读下列程序说明和C++代码,将应填入(n)处的字句写在答卷的对应栏内。【说明】①为类Circle增加一个构造函数,该函数有一个参数,并在构造时将该参数值赋给成员radius。将该函数实现为一个非内联函数,并且使用参数列表的方式将类成员赋值。②为类Circle增加一个成员函数print(),使得可以输出有关圆的信息,比如下列程序Circle c;C.SetRadius (5) ;C.Print();将输出:The circle has radius of 5!③完成友元函数void CompareR(Circle *c1,Circle *c2)的定义,在屏幕中输出c1与c2比较radius大小结果,要求使用if-else结构完成。输出结果如下:The circle has radus of 5!The circle has radius of 10!c1c2源程序文件test7_3.cpp清单如下:#includeiostream.hclass Circle{public:Circle():radius (5) {}(1)void SetRadius(int r) { radius=r; }int GetRadius() { return radius; }(2)friend void CompareR(Circle *c1,Circle *c2);private:int radius;};void CompareR(Circle *c1,Circle *c2){(3)cout"c1c2"endl;elseif ((c1-GetRadius())==(c2-GetRadius()))cout"c1=c2"endl;elseif ((c1-GetRadius())(c2-GetRadius()))cout"c1c2"endl;}void main(){Circle c1;c1.SetRadius (5) ;c1.Print();Circle c2 (10) ;c2.Print();CompareR(c1,c2);}

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