请问1,2,3处的CComplex分别有什么作用

Question

#include <iostream>using namespace std;class CComplex{public: CComplex() { real = 0;  imag = 0; } CComplex(int x,int y)//      1 { real = x; imag = y; } int real; int imag; CComplex operator + (CComplex obj1) { CComplex obj2(real + obj1.real, imag + obj1.imag);//       2 return obj2; }};int main(){ CComplex obj1(100,30); //         3 CComplex obj2(20, 30); CComplex obj; obj = obj1+obj2; cout << obj.real <<endl; cout << obj.imag << endl;}

Answer 1

1，CComplex(int x,int y)的意思是CComplex的构造函数啊。 2，CComplex obj2(real + obj1.real, imag + obj1.imag)的意思是初始化一个名为obj2的CComplex对象，并调用其构造函数赋值。 3，CComplex obj1(100,30);同2