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import java.util.*; public class CollectionsUnmodifiableSortedSetExample3 { public static void main(String[] args) { SortedSet<Integer> set = new TreeSet<>(); Collections.addAll(set, 1, 4, 7); System.out.println("Original Set: " + set); SortedSet<Integer> set2 = Collections.unmodifiableSortedSet(set); set2.add(10); } }
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