A Unit class is a Tuple of one element. It is in the JavaTuples library.
The following is the declaration −
public final class Unit<A> extends Tuple implements IValue0<A>
Let us first see what we need to work with JavaTuples. To work with Unit class in JavaTuples, you need to import the following package −
import org.javatuples.Unit;
Some of its features include −
Let us see an example to create Unit Tuple in Java −
Note − Steps to download and run JavaTuples program. If you are using Eclipse IDE, then Right Click Project -> Properties -> Java Build Path -> Add External Jars and upload the downloaded JavaTuples jar file.
import org.javatuples.Unit; public class Demo { public static void main(String[] args) { Unit<String> u = new Unit<String>("This is demo text!"); System.out.println(u); } }
[This is demo text!]