diff --git a/src/main/java/core/basesyntax/Main.java b/src/main/java/core/basesyntax/Main.java
new file mode 100644
index 000000000..73cfaa7ab
--- /dev/null
+++ b/src/main/java/core/basesyntax/Main.java
@@ -0,0 +1,17 @@
+package core.basesyntax;
+
+import core.basesyntax.impl.StorageImpl;
+
+public class Main {
+    public static void main(String[] args) {
+        StorageImpl<Integer, String> storage = new StorageImpl<>();
+        String box = "box3";
+        storage.put(44, box);
+        storage.put(22, box);
+        storage.put(33, box);
+        storage.size();
+
+        System.out.println(storage.get(33));
+        System.out.println(storage.size());
+    }
+}
diff --git a/src/main/java/core/basesyntax/impl/StorageImpl.java b/src/main/java/core/basesyntax/impl/StorageImpl.java
index 455a7b080..db3697ca6 100644
--- a/src/main/java/core/basesyntax/impl/StorageImpl.java
+++ b/src/main/java/core/basesyntax/impl/StorageImpl.java
@@ -3,17 +3,46 @@
 import core.basesyntax.Storage;
 
 public class StorageImpl<K, V> implements Storage<K, V> {
+    private static final int MAX_STORAGE_SIZE = 10;
+    private K[] keys;
+    private V[] values;
+    private int size;
+
+    public StorageImpl() {
+        keys = (K[]) new Object[MAX_STORAGE_SIZE];
+        values = (V[]) new Object[MAX_STORAGE_SIZE];
+        size = 0;
+    }
+
     @Override
     public void put(K key, V value) {
+
+        for (int i = 0; i < size; i++) {
+            if (keys[i] == null ? key == null : keys[i].equals(key)) {
+                values[i] = value;
+                return;
+            }
+        }
+
+        if (size < MAX_STORAGE_SIZE) {
+            keys[size] = key;
+            values[size] = value;
+            size++;
+        }
     }
 
     @Override
     public V get(K key) {
+        for (int i = 0; i < size; i++) {
+            if (keys[i] == null ? key == null : keys[i].equals(key)) {
+                return values[i];
+            }
+        }
         return null;
     }
 
     @Override
     public int size() {
-        return -1;
+        return size;
     }
 }