What is a Quartet class in JavaTuples?

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A Quartet class is a Tuple of four elements. It is part of the JavaTuples library.

The following is the declaration −

public final class Quartet<A, B, C, D>
extends Tuple
implements IValue0<A>, IValue0<B>, IValue0<C>, IValue0<D>

Let us first see what we need to work with JavaTuples. To work with Quartet class in JavaTuples, you need to import the following package −

import org.javatuples.Quartet;

Note − Steps to download and run JavaTuples program If you are using Eclipse IDE to run Quartet Class in JavaTuples, then Right Click Project → Properties → Java Build Path → Add External Jars and upload the downloaded JavaTuples jar file.

The following is an example −

Example

import org.javatuples.Quartet;
public class Demo {
   public static void main(String[] args) {
      Quartet < String, String, String, String > q = Quartet.with("Football", "Hockey", "Cricket", "Tennis");
      System.out.println(q);
   }
}