How to Get Size of an ArrayList in Java

In this example we will show the method to get the size of an ArrayList in Java.

Source Code

package com.beginner.examples;

import java.util.ArrayList;

public class ArrayListSize { 
  public static void main(String[] args) { 
    ArrayList arrays = new ArrayList();
    arrays.add("a");
    arrays.add("b");
    System.out.println(arrays.size()); // get the size of an ArrayList
  } 
}

Output:

References

Imported packages in Java documentation:

Array
Array
List
List
ArrayList