import gnu.trove.map.TIntObjectMap; import gnu.trove.map.hash.TIntObjectHashMap; public class ComparisonExample { public static void main(String[] args) { TIntObjectMap<String> troveMap = new TIntObjectHashMap<>(); Map<Integer, String> hashMap = new HashMap<>(); for (int i = 0; i < 1000000; i++) { troveMap.put(i, "Value " + i); hashMap.put(i, "Value " + i); } String valueTrove = troveMap.get(500000); String valueHashMap = hashMap.get(500000); System.out.println("Trove Map: " + valueTrove); System.out.println("Hash Map: " + valueHashMap); } }