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import java.util.*; public class CollectionsEmptyNavigableSetExample2 { public static void main(String[] args) { //Create an empty Navigable Set NavigableSet<String> EmpNavSet = Collections.emptyNavigableSet(); System.out.println("Created empty immutable Navigable Set: "+EmpNavSet); //Try to add elements EmpNavSet.add("A"); EmpNavSet.add("B"); } }
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