重载test
// // Created by 刘彪 on 2020/2/29. //p154 #include <iostream> #include <cstdio> using namespace std; class Counter{ int n; public: Counter(){ n= 0; } Counter(int i){ n = i; } Counter operator+(Counter c){ Counter temp; temp.n = n + c.n; return temp; } void disp(){ cout << "n="<<n<<endl; } }; int main(){ Counter c1(5),c2(10),c3; c3 = c1+c2; c1.disp(); c2.disp(); c3.disp(); return 0; } ///Users/liubiao/CLionProjects/untitled1/cmake-build-debug/untitled1 //n=5 //n=10 //n=15