isEmpty(): This method is available in java.util.Hashtable class of Java.
Syntax:
boolean java.util.Hashtable.isEmpty()
This method tests if this hashtable maps no keys to values.
Parameters: NA
Returns: true if this hashtable maps no keys to values; false otherwise.
Exceptions: NA
Approach
Java
import java.util.Hashtable;public class HashtableisEmpty {public static void main(String[] args) {Hashtable<String, Integer> hashtable =new Hashtable<String, Integer>();hashtable.put("Hello", 1);hashtable.put("World", 2);System.out.println(hashtable.isEmpty());}}
Output:
false
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