prodcuer consumer pattern using own blocking queue

MyBlockingQueue.java

import lombok.SneakyThrows;

import java.util.LinkedList;
import java.util.Queue;

/**
 * @author Hariom Yadav
 * @since 05-Dec-2023
 */
public class MyBlockingQueue {
    Queue<Integer> qq = new LinkedList<>();
    int maxSize = 5;

    @SneakyThrows
    public synchronized void put(int val){
        if (qq.size() >= maxSize) wait();
        qq.add(val);
        notifyAll();
    }

    @SneakyThrows
    public synchronized Integer get(){
        if (qq.isEmpty()) wait();
        Integer polled = qq.poll();
        notifyAll();
        return polled;
    }
}

TestMyBlockingQueue.java

import lombok.SneakyThrows;
import org.junit.jupiter.api.Test;

import java.util.Random;
import java.util.concurrent.atomic.AtomicInteger;

/**
 * @author Hariom Yadav
 * @since 05-Dec-2023
 */
public class TestMyBlockingQueue {
    @SneakyThrows
    @Test
    public void foo2(){
        MyBlockingQueue queue = new MyBlockingQueue();
        AtomicInteger atomic = new AtomicInteger(0);

        Runnable producer = () -> {
          while (true) {
              try {
                  Thread.sleep(1000);
                  queue.put(atomic.getAndIncrement());
                  System.out.println("Producer = " + queue.qq);
              } catch (InterruptedException e) {
                  throw new RuntimeException(e);
              }
          }
        };

        Runnable consumer = () -> {
            while (true) {
                try {
                    Thread.sleep(2000);
                    System.out.println("Consumer = " + queue.get());
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
            }
        };

        new Thread(producer).start();
        new Thread(consumer).start();
//        new Thread(consumer).start();// we can add multiple consumer ✅

        Thread.sleep(50000);
    }
}

simple producer-consumer using java blocking queue : https://gist.github.com/hocyadav/58586e209215cca3ce88c80d7c0d1dc8