This Java Tuple library implements type-safe tuples of any size using generics. Download the source code or binary.
import com.mallardsoft.tuple.Pair;
import com.mallardsoft.tuple.Tuple;
import java.util.HashMap;
import java.util.Map;
Map<Pair<String, String>, Integer> population = new HashMap<Pair<String, String>, Integer>();
population.put(
Tuple.from("TX", "Dallas"),
1213825);
String ip = Tuple.from(192, 168, 0, 100).toString("", ".", "");
// ip = "192.168.0.100"
Use the links to the left to see different ways of using this tuple library. Leave a comment if you like it, dislike it, or have something new to contribute.