Search a value in Java Pair Tuple

Java 8Object Oriented ProgrammingProgramming

Use the contains() method to search a value in JavaTuples Pair class.

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

import org.javatuples.Pair;

NoteSteps to download and run JavaTuples program If you are using Eclipse IDE to run Pair 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 −


import org.javatuples.Pair;
public class Demo {
   public static void main(String[] args) {
      Pair < String, String > p = Pair.with("Mobile", "Desktop");
      System.out.println("Pair = " + p);
      boolean res = p.contains("Mobile");
      System.out.println("Is the value in Tuple? = " + res);


Pair = [Mobile, Desktop]
Is the value in Tuple? = true
Updated on 30-Jul-2019 22:30:25