JavaTuples setAt1 () method for Quartet class

The setAt1() method is used to set the Quartet value in JavaTuples and a copy with new value at the specified index i.e. index 1 here.

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 > q1 =
      Quartet.with("Football", "Hockey", "Cricket", "Tennis");
      Quartet < String, String, String, String > q2 =
      q1.setAt1("Squash");
      System.out.println(q2);
   }
}

Output

[Football, Squash, Cricket, Tennis]