public boolean isEmpty()

// Java Program Demonstrate isEmpty()
// method of ConcurrentLinkedQueue
  
import java.util.concurrent.*;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // create an ConcurrentLinkedQueue
        ConcurrentLinkedQueue<String>
            queue = new ConcurrentLinkedQueue<String>();
  
        // Add String to queue
        queue.add("Aman");
        queue.add("Amar");
        queue.add("Sanjeet");
        queue.add("Rabi");
  
        // Displaying the existing ConcurrentLinkedQueue
        System.out.println("ConcurrentLinkedQueue: " + queue);
  
        // check whether queue isEmpty or not
        boolean response1 = queue.isEmpty();
  
        // print after applying isEmpty method
        System.out.println("Is Queue empty: " + response1);
    }
}

ConcurrentLinkedQueue: [Aman, Amar, Sanjeet, Rabi]
Is Queue empty: false

// Java Program Demonstrate isEmpty()
// method of ConcurrentLinkedQueue
  
import java.util.concurrent.*;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // create an ConcurrentLinkedQueue
        ConcurrentLinkedQueue<Integer>
            queue = new ConcurrentLinkedQueue<Integer>();
  
        // Displaying the existing ConcurrentLinkedQueue
        System.out.println("ConcurrentLinkedQueue: " + queue);
  
        // check whether queue is Empty
        boolean response1 = queue.isEmpty();
  
        // print after applying isEmpty method
        System.out.println("Is queue empty  : " + response1);
    }
}

ConcurrentLinkedQueue: []
Is queue empty  : true