How to Count Number of Elements in a List in Java

In this tutorial, we are going to see how to count the number of elements in a list in Java. In Java, we can use the List.size() method to count the number of elements in a list.
 

Program to Count Number of Elements in a List in Java:

import java.util.*;

public class Main {

    public static void main(String[] args) {
		
        List<String> lang = Arrays.asList("PHP", "Java", "Python", "C++");
        System.out.println(lang.size());
    }
}

Output:

4

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