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How to synchronize an ArrayList in Java?
The synchronizedList(List<T> list) method of the Collections class accepts a List object and returns a synchronized list backed by the specified list.
Example:
import java.util.ArrayList; import java.util.Collections; import java.util.LinkedHashSet; import java.util.Set; public class ArrayListSample { public static void main(String[] args){ ArrayList<String> list = new ArrayList<String>(); list.add("JavaFx"); list.add("Java"); list.add("WebGL"); list.add("OpenCV"); Set<String> set = new LinkedHashSet<String>(list); Collections.synchronizedList(list); System.out.println(list); } }
Output:
[JavaFx, Java, WebGL, OpenCV]
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