Finding whether an ArrayList is empty or not.

 

import java.util.*;

public class LinkeListOper3 {

public static void main(String args[]) {

LinkedList<String> ll = new LinkedList<>();

System.out.println("Before adding elements");

if (ll.isEmpty()) {

System.out.println("The given list is empty");

}

ll.add("john");

ll.add("kiyan");

ll.add("kayna");

ll.add("cristy");

System.out.println("After adding elements");

if (!ll.isEmpty()) {

System.out.println("The given list has " + ll.size() + " elements");

}

}

}