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How to get and print size of an ArrayList in Java ?.

Program to implement how to get and print size of an ArrayList in Java.

package com.hubberspot.arraylist;

import java.util.ArrayList;
import java.util.List;


public class ArrayListSizeDemo {

	public static void main(String[] args) {

		// Create a ArrayList object which can store 
		// collection of String objects 
		List< String > stringList = new ArrayList< String >();

		// Add few String objects to it
		stringList.add("Neha");
		stringList.add("Abhishek");
		stringList.add("Deepali");
		stringList.add("Snehal");
		stringList.add("Vijay");
		stringList.add("Aditya");

		// In order to get number of objects stored in 
		// a list we can call size() method which will
		// return an int value stating the size of ArrayList
		int size = stringList.size();

		// printing out the size of ArrayList on the console
		System.out.println("Size of String ArrayList : " + size);

		// Create a ArrayList object which can store 
		// collection of Integer objects 
		List< Integer > integerList = new ArrayList< Integer >();

		// Add few Integer objects to it
		integerList.add(1);
		integerList.add(2);
		integerList.add(3);
		integerList.add(4);
		integerList.add(5);
		integerList.add(6);

		// In order to get number of objects stored in 
		// a integer list we can call size() method which will
		// return an int value stating the size of ArrayList
		size = integerList.size();

		// printing out the size of ArrayList on the console
		System.out.println("Size of Integer ArrayList : " + size);

	}

}



Output of the program : 

 
 
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