How to Get Size of Hashtable in java


In this example, we will learn how to get the size of Hashtable with size method in Java.

Source Code

package com.beginner.examples;

import java.util.Hashtable;

public class GetSizeOfHashtable {

	public static void main(String[] args) {
		
		//create Hashtable.
		Hashtable hashtable = new Hashtable();
		
		hashtable.put("1","Alice");
		hashtable.put("2","Bob");
		hashtable.put("3","Jack");
		
		/*
		 * To get the size of Hashtable use size() method of Hashtable.
		 */
		System.out.println("The size of Hashtable is " + hashtable.size());
	}

}

Output:

The size of Hashtable is 3

References

Imported packages in Java documentation:

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