diff --git a/src/main/java/core/basesyntax/BlockingQueue.java b/src/main/java/core/basesyntax/BlockingQueue.java
index 77a20440..7ebfcb5e 100644
--- a/src/main/java/core/basesyntax/BlockingQueue.java
+++ b/src/main/java/core/basesyntax/BlockingQueue.java
@@ -4,24 +4,31 @@
 import java.util.Queue;
 
 public class BlockingQueue<T> {
-    private Queue<T> queue = new LinkedList<>();
-    private int capacity;
+    private final Queue<T> queue = new LinkedList<>();
+    private final int capacity;
 
     public BlockingQueue(int capacity) {
         this.capacity = capacity;
     }
 
     public synchronized void put(T element) throws InterruptedException {
-        // write your code here
+        while (queue.size() == capacity) {
+            wait();
+        }
+        queue.add(element);
+        notifyAll();
     }
 
     public synchronized T take() throws InterruptedException {
-        // write your code here
-        return null;
+        while (queue.isEmpty()) {
+            wait();
+        }
+        T element = queue.poll();
+        notifyAll();
+        return element;
     }
 
     public synchronized boolean isEmpty() {
-        // write your code here
-        return true;
+        return queue.isEmpty();
     }
 }
diff --git a/src/main/java/core/basesyntax/thread/Consumer.java b/src/main/java/core/basesyntax/thread/Consumer.java
index a28994fa..932abe3a 100644
--- a/src/main/java/core/basesyntax/thread/Consumer.java
+++ b/src/main/java/core/basesyntax/thread/Consumer.java
@@ -3,7 +3,7 @@
 import core.basesyntax.BlockingQueue;
 
 public class Consumer implements Runnable {
-    private BlockingQueue<Integer> blockingQueue;
+    private final BlockingQueue<Integer> blockingQueue;
 
     public Consumer(BlockingQueue<Integer> blockingQueue) {
         this.blockingQueue = blockingQueue;
diff --git a/src/main/java/core/basesyntax/thread/Producer.java b/src/main/java/core/basesyntax/thread/Producer.java
index a08376ce..45fe07ce 100644
--- a/src/main/java/core/basesyntax/thread/Producer.java
+++ b/src/main/java/core/basesyntax/thread/Producer.java
@@ -3,7 +3,7 @@
 import core.basesyntax.BlockingQueue;
 
 public class Producer implements Runnable {
-    private BlockingQueue<Integer> blockingQueue;
+    private final BlockingQueue<Integer> blockingQueue;
 
     public Producer(BlockingQueue<Integer> blockingQueue) {
         this.blockingQueue = blockingQueue;