W3School TIY Editor

#include <iostream> using namespace std; template <typename T1, typename T2> class Pair { public: T1 first; T2 second; Pair(T1 a, T2 b) { first = a; second = b; } void display() { cout << "第一个：" << first << "，第二个：" << second << "\n"; } }; int main() { Pair<string, int> person("John", 30); Pair<int, double> score(51, 9.5); person.display(); score.display(); return 0; }