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JavaTpoint.com
import java.util.*; public class CollectionsEmptyNavigableMapExample2 { public static void main(String[] args) { //Create an empty Map NavigableMap<String,String> EmptyNavMap = Collections.emptyNavigableMap(); System.out.println("Created Empty Navigable Map: "+EmptyNavMap); // try to add elements EmptyNavMap.put("1","from JavaTpoint.com"); } }
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