设计并测试一个名为Ellipse的椭圆类,其属性为其圆心坐标以及半长轴,半短轴的长度

#includeiostream*/usingnamespacestd;#definePI3.141592654classEllipse{private:doublex,y,a,b;public:Ellipse():x(0),y(0),a(1),b(1){}//无参数Ellipse(doubleX,doubleY=0,doubleA=1,doubleB=1):x(X),y(Y),a(A),b(B){}//带默认值voidcreate(doubleX,doubleY,doubleA,doubleB){this-x=X;this-y=Y;this-a=A;this-b=B;}voidprint(){cout椭圆心坐标是:（x,y）endl;cout长半轴是:a短半轴是:bendl;cout面积是:PI*a*bendl;}};intmain(){Ellipseellipse1;//使用无参函数cout无参时:endl;ellipse1.print();Ellipseellipse2(0,0);//使用有参数的函数cout有参数时:endl;ellipse2.print();doublex,y,a,b;cout输入圆心的长、短半轴:x,y,a,bendl;cinxyab;Ellipseellipse3;ellipse3.create(x,y,a,b);cout输入的数据和面积是:endl;ellipse3.print();return0;}