Create Key-Value Tuple in Java

To create a KeyValue tuple in Java, you can use the with() method, collection or simply the constructor. Here, we will see how to create a KeyValue tuple using a constructor. 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 create KeyValue tuple in Java:

import org.javatuples.KeyValue;
public class Demo {
   public static void main(String[] args) {
      KeyValue<Integer, String> value = new KeyValue<Integer, String>(5, "Points");
      System.out.println("KeyValue Tuple = "+value);
   }
}

The following is the output:

KeyValue Tuple = [5, Points]