Design and test a rectangular class named rectangle

Its properties are the coordinates of the lower-left corner of the rectangle and two points in the upper-right corner, which can calculate the area of the rectangle. #include <iostream>using namespace Std;class rectangle{public:rectangle () {}; Rectangle (int ileftx,int ilefty,int irightx,int irighty) {  this->ileftx=ileftx;  this->ilefty=ilefty;  this->irightx=irightx;  this->irighty=irighty; } int Area () {  return (IRIGHTX-ILEFTX) * (irighty-ilefty);} Private:int ILEFTX; int ilefty; int irightx; int irighty;}; int main () {Rectangle R (1,1,2,2); cout<< "The area of this rectangle is:" <<r.area () <<endl;return 0;}

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Design and test a rectangular class named rectangle