Write a program to overload subscript operator.
#include<iostream> using namespace std; class A { private: int x[5]; public: A(); int operator [](int); }; int A :: operator [](int a) { return x[a]; } A :: A() { for(int i = 0;i < 5;i++) x[i] = 10 + i; cout << "default constructor" << endl; } int main() { A obj; for(int i = 0;i < 5;i++) cout << "obj[" << i << "] = " << obj[i] << endl; return 0; }
Output
default constructor obj[0] = 10 obj[1] = 11 obj[2] = 12 obj[3] = 13 obj[4] = 14