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How to create LabelValue Tuple from an array in Java
To create LabelValue tuple from an array, use the fromArray() method. First, create an array and add elements to it. After that, use the fromArray() method to create a Tuple and set the array in it.
Let us first see what we need to work with JavaTuples. To work with LabelValue class in JavaTuples, you need to import the following package −
import org.javatuples.LabelValue;
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 implement the LabelValue JavaTuples class from an array −
Example
import org.javatuples.LabelValue;
import java.util.*;
public class Demo {
public static void main(String[] args) {
Integer[] myArr = {150, 300};
LabelValue<Integer, Integer> lbValue = LabelValue.fromArray(myArr);
System.out.println("Elements in the LabelValue Tuple = "+lbValue);
}
}Output
Elements in the LabelValue Tuple = [150, 300]
Above, we have first created an Integer array with 2 elements −
Integer[] myArr = {150, 300};After that, fromArray() method is used to create LabelValue tuple from an array −
LabelValue<Integer, Integer> lbValue = LabelValue.fromArray(myArr);
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