diff --git a/src/main/java/core/basesyntax/impl/Main.java b/src/main/java/core/basesyntax/impl/Main.java
new file mode 100644
index 000000000..f7ebbce54
--- /dev/null
+++ b/src/main/java/core/basesyntax/impl/Main.java
@@ -0,0 +1,17 @@
+package core.basesyntax.impl;
+
+import core.basesyntax.Storage;
+
+public class Main extends StorageImpl {
+    public static void main(String[] args) {
+
+        Storage<Integer, String> storage = new StorageImpl<>();
+        storage.put(1991, "Independence of Ukraine");
+
+        String value = storage.get(1991);
+        int size = storage.size();
+
+        System.out.println("Value: " + value);
+        System.out.println("Size: " + size);
+    }
+}
diff --git a/src/main/java/core/basesyntax/impl/StorageImpl.java b/src/main/java/core/basesyntax/impl/StorageImpl.java
index 455a7b080..ba8a3ffc4 100644
--- a/src/main/java/core/basesyntax/impl/StorageImpl.java
+++ b/src/main/java/core/basesyntax/impl/StorageImpl.java
@@ -3,17 +3,47 @@
 import core.basesyntax.Storage;
 
 public class StorageImpl<K, V> implements Storage<K, V> {
+    public static final int MAX_Keys_And_Values = 10;
+    protected final K[] keys;
+    protected final V[] values;
+    private int size = 0;
+
+    public StorageImpl() {
+        this.keys = (K[]) new Object[MAX_Keys_And_Values];
+        this.values = (V[]) new Object[MAX_Keys_And_Values];
+    }
+
     @Override
     public void put(K key, V value) {
+        for (int i = 0; i < size; i++) {
+            if (keys[i] == null && key == null) {
+                values[i] = value;
+                return;
+            }
+            if (keys[i] != null && keys[i].equals(key)) {
+                values[i] = value;
+                return;
+            }
+        }
+        keys[size] = key;
+        values[size] = value;
+        size++;
     }
 
     @Override
     public V get(K key) {
+        for (int i = 0; i < keys.length; i++) {
+            if (keys[i] == null && key == null) {
+                return values[i];
+            } else if (keys[i] != null && keys[i].equals(key)) {
+                return values[i];
+            }
+        }
         return null;
     }
 
     @Override
     public int size() {
-        return -1;
+        return this.size;
     }
 }