check if list is not empty java code example

Example 1: how to check if a list is empty java

if (list != null && !list.isEmpty()) { do something }

Example 2: validation list empty java

public class ArrayListExample 
{
    public static void main(String[] args) 
    {
        ArrayList<String> list = new ArrayList<>();
         
        System.out.println(list.isEmpty());     //true
         
        list.add("A");
         
        System.out.println(list.isEmpty());     //false
         
        list.clear();
         
        System.out.println(list.isEmpty());     //true
    }
}