Hashtable: isEmpty() : Hashtable « java.util « Java by API






  1. Java by API
  2. java.util
  3. Hashtable

Hashtable: isEmpty()

  
  

import java.util.Hashtable;

public class Main {
  public static void main(String[] s) {
    Hashtable<String,String> table = new Hashtable<String,String>();
    table.put("key1", "value1");
    table.put("key2", "value2");
    table.put("key3", "value3");

    System.out.println(table.isEmpty());
    System.out.println(table.size());
  }
}








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