Properties int size() method Example Program

Returns the number of keys in this hashtable.

Program

package com.candidjava;

import java.util.Hashtable;
import java.util.Properties;

/* 
 * @author : Mohan 
 * @description : The size() method is used to get the number of keys in this hashtable.
 */
public class PropertiesSize {

	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("Size of the hash table is: " + ht.size());

	}

}

Output

Explanation

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