根据程序中的注释将下列缺失部分补充完整。class Point{int x,y; //点的x和y坐标public:Point(int xx=0,int yy=0):x(xx),y(yy){}};class Circle{Point center;//圆心位置int radius; //半径public: //利用cx和cY分别初始化圆心的x和y坐标circle(int cx,int cy,int r): 【 】 ,radius(r){}void area()(cout3.14159*radius*radiusend1;)};
根据程序中的注释将下列缺失部分补充完整。
class Point{
int x,y; //点的x和y坐标
public:
Point(int xx=0,int yy=0):x(xx),y(yy){}
};
class Circle{
Point center;//圆心位置
int radius; //半径
public: //利用cx和cY分别初始化圆心的x和y坐标
circle(int cx,int cy,int r): 【 】 ,radius(r){}
void area()(cout<<3.14159*radius*radius<<end1;)
};
相关考题:
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试完成下述程序片段:public class Point(){ int x,y;public Point(int x,int y){ =x; =y;}......} A. Point.x Point.yB.无解C. x1 y1D.this.x this.y