if (pets->ContainsKey("joe")) Console::WriteLine(pets["joe"]);

using namespace System;
using namespace System::Collections;

int main()
{
Hashtable^ pets = gcnew Hashtable;

pets->Add("joe", "cat");
pets->Add("mary", "turtle");
pets->Add("bill", "canary");

if (pets->ContainsKey("joe")) Console::WriteLine(pets["joe"]);
}

cout << pets["joe"] << endl;

#include <iostream>
#include <map>

using namespace std;

int main()
{
map<string,string> pets;

pets["joe"] = "cat";
pets["mary"] = "turtle";
pets["bill"] = "canary";

cout << pets["joe"] << endl;
}