package com.candidjava;
import java.util.Hashtable;
import java.util.Properties;
/*
* @author : Mohan
* @description : The isEmpty() method is used to test if this hashtable maps no keys to values.
*/
public class PropertiesIsEmpty {
public static void main(String[] args) {
Properties properties = new Properties();
Hashtable ht = new Hashtable(properties);
ht.put("1", "hari");
ht.put("2", "anand");
ht.put("3", "vinoth");
ht.put("4", "mohan");
ht.put("5", "karthick");
System.out.println(ht);
System.out.println(ht.isEmpty());
}
}
Output
{5=karthick, 4=mohan, 3=vinoth, 2=anand, 1=hari}
false
Explanation
public boolean isEmpty()
Tests if this hashtable maps no keys to values.
Specified by:
isEmpty in interface Map
Specified by:
isEmpty in class Dictionary
Returns:
true if this hashtable maps no keys to values; false otherwise.