Java Collections - ArrayList.size() Examples

package com.logicbig.example.arraylist;

import java.util.*;

public class SizeExample {

    public static void main(String... args) {
        // Get number of elements
        ArrayList<String> fruits = new ArrayList<>();
        fruits.add("Apple");
        fruits.add("Banana");
        System.out.println("Number of fruits: " + fruits.size());
    }
}

package com.logicbig.example.arraylist;

import java.util.*;

public class SizeExample2 {

    public static void main(String... args) {
        // Check if list is empty using size()
        ArrayList<Integer> list = new ArrayList<>();
        if(list.size() == 0) {
            System.out.println("List is empty");
        }
    }
}