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import java.util.*; public class CollectionsSynchronizedSortedSetExample2 { public static void main(String[] args) { SortedSet<Integer> set = Collections.synchronizedSortedSet(new TreeSet<>()); set.add(101); set.add(104); set.add(103); set.add(102); set.add(105); System.out.println("Set after Synchronized sorted set-"); //Using iterator must be synchronized manually synchronized (set) { Iterator<Integer> iterator = set.iterator(); while (iterator.hasNext()) { Integer num = iterator.next(); System.out.println(num); } } } }
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