void clear()

// Java code to illustrate the clear() method
  
import java.util.*;
  
public class Map_Demo {
    public static void main(String[] args)
    {
  
        // Creating an empty SortedMap
        SortedMap<Integer, String> map
            = new TreeMap<Integer, String>();
  
        // Mapping string values to int keys
        map.put(10, "Geeks");
        map.put(15, "4");
        map.put(20, "Geeks");
        map.put(25, "Welcomes");
        map.put(30, "You");
  
        // Displaying the Map
        System.out.println(
            "Initial Mappings are: "
            + map);
  
        // Clearing the sorted map using clear()
        map.clear();
  
        // Displaying the final SortedMap
        System.out.println(
            "Finally the maps"
            + " look like this: "
            + map);
    }
}

Initial Mappings are:
 {10=Geeks, 15=4, 20=Geeks, 25=Welcomes, 30=You}
Finally the maps look like this: {}

// Java code to illustrate the clear() method
  
import java.util.*;
  
public class Map_Demo {
    public static void main(String[] args)
    {
        // Creating an empty SortedMap
        SortedMap<String, Integer> map
            = new TreeMap<String, Integer>();
  
        // Mapping int values to string keys
        map.put("Geeks", 10);
        map.put("4", 15);
        map.put("Geeks", 20);
        map.put("Welcomes", 25);
        map.put("You", 30);
  
        // Displaying the SortedMap
        System.out.println(
            "Initial Mappings are: "
            + map);
  
        // Clearing the SortedMap using clear()
        map.clear();
  
        // Displaying the final Map
        System.out.println(
            "Finally the maps "
            + "look like this: "
            + map);
    }
}

Initial Mappings are:
 {4=15, Geeks=20, Welcomes=25, You=30}
Finally the maps look like this: {}