Set value in the JavaTuples KeyValue class

To set value in the JavaTuples KeyValue class, you need to use the setValue() method. Let us first see what we need to work with JavaTuples. To work with KeyValue class in JavaTuples, you need to import the following package

import org.javatuples.KeyValue;

Note Download JavaTuples Jar library to 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. Refer the below guide for all the steps to run JavaTuples

Steps: How to run JavaTuples program in Eclipse

The following is an example to set the value in the KeyValue class value in Java


import org.javatuples.KeyValue;
public class Demo {
   public static void main(String[] args) {
      KeyValue<Integer, String> kValue = KeyValue.with(77, "Rank");
      System.out.println("Key-Value in the KeyValue Tuple = "+kValue);
      KeyValue<Integer, String> v = kValue.setValue("Score");
      System.out.println("Updated Value = "+v);


Key-Value in the KeyValue Tuple = [77, Rank]
Updated Value = [77, Score]

Updated on: 30-Jul-2019


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