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How to create KeyValue 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]
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