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Create LabelValue Tuple from a List collection in Java
<p>To create LabelValue tuple from a List collection, use the fromCollection() method. Here, we will be creating LabelValue from List, therefore use the fromCollection() method.</p><p>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 −</p><pre class="result notranslate">import org.javatuples.LabelValue;</pre><p><strong>Note</strong> − Download JavaTuples Jar library to run JavaTuples program. If you are using Eclipse IDE, then Right Click <strong>Project -> Properties -> Java Build Path -> Add External</strong> Jars and upload the downloaded JavaTuples jar file. Refer the below guide for all the steps to run JavaTuples −</p><p><strong>Steps</strong> − <a href="https://www.tutorialspoint.com/how-to-run-javatuples-program-in-eclipse" rel="nofollow" target="_blank">How to run JavaTuples program in Eclipse</a></p><p>The following is an example to create LabelValue JavaTuples from a List collection −</p><h2>Example</h2><pre class="prettyprint notranslate">import org.javatuples.LabelValue; import java.util.*; public class Demo { public static void main(String[] args) { List<Integer> myList = new ArrayList<Integer>(); myList.add(200); myList.add(500); LabelValue<Integer, Integer> lbValue = LabelValue.fromCollection(myList); System.out.println("Elements in the LabelValue Tuple = "+lbValue); } }</pre><h2>Output</h2><pre class="result notranslate">Elements in the LabelValue Tuple = [200, 500] Above, we have created a List with 2 elements: List<Integer> myList = new ArrayList<Integer>(); myList.add(200); myList.add(500);</pre><p>Now, use the fromCollection() method to create a LabelValue tuple from a List collection in Java −</p><pre class="result notranslate">LabelValue<Integer, Integer> lbValue = LabelValue.fromCollection(myList);</pre>
Updated on 30-Jul-2019 22:30:25
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