#include <iostream>
usingnamespace std;
class plusNumber {
int x;
publicvoid MathCount (int);
int Result () {
return (x+x);
}
};
void plusNumber::MathCount (int a) {
x = a;
}
int main() {
plusNumber rect; //What is "rect" ?
rect.MathCount (3);
count << "The result is: " << rect.Result();
return 0;
}
So. But I don't know the utility of any parts. For example: