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What is a Pair class in Java Tuples?
A Pair class in JavaTuples can only have 2 elements. The JavaTuples library includes the Pair class.
The following is the declaration −
public final class Pair<P, Q> extends Tuple implements IValue0<P>, IValue1<Q>
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;
Some of its features include −
- Typesafe
- Serializable
- Comparable
- Iterable
- Immutable
Note − Steps 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.
Let us see how to create a Pair Tuple in Java. The following is an example −
Example
import org.javatuples.Pair; public class Demo { public static void main(String[] args) { Pair < String, String > p = new Pair("Chinese", "French"); System.out.println("Result = " + p); } }
Output
Result = [Chinese, French]
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