What is the output of the following code?

Queue q = new LinkedList<>();

q.add(10);

q.add(4);

System.out.println(q.size());

System.out.println(q.peek());

q.add(6);

System.out.println(q.remove());

q.add(3);

System.out.println(q.remove());

System.out.println(q.peek());

System.out.println(q.remove());

q.add(7);

System.out.println(q.peek());