版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/LYJ_viviani/article/details/70155297
#include <iostream>
#include <string>
using namespace std;
class Complex
{
private:
double real, imag;
public:
Complex(double r);
Complex(double r, double i);
Complex(Complex c1, Complex c2);
};
Complex::Complex(double r) //构造函数1
{
real = r; imag = 100;
cout << real << "--" << imag << endl;
}
Complex::Complex(double r, double i) //构造函数2
{
real = r; imag = i;
cout << real << "--" << imag << endl;
}
Complex::Complex(Complex c1, Complex c2) //构造函数3
{
real = c1.real + c2.real;
imag = c1.imag + c2.imag;
cout << real << "--" << imag << endl;
}
int main()
{
Complex c0; //报错,没有无参构造函数(默认构造函数)
Complex c1(3); //调用构造函数1,结果为:3--100
Complex c2(1, 2); //调用构造函数2,结果为:1--2
Complex c3(c1, c2); //调用构造函数3,结果为:4--102
Complex c4 = 5; //调用构造函数1,结果为:5--100
Complex c5 = { 10,15 };//调用构造函数2,结果为:10--15
return 0;
}