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import java.util.*; public class CollectionsSynchronizedNavigableSetExample2 { public static void main(String[] args) { NavigableSet<Integer> set = new TreeSet<>(); set.add(1001); set.add(1002); set.add(1003); set.add(1004); set.add(1005); System.out.println("Set before Synchronized navigable set: " + set); Set<Integer> synset = Collections.synchronizedNavigableSet(set); set.remove(1004); System.out.println("Synchronized navigable set after remove(1004):" + synset); } }
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