diff --git a/src/main/java/core/basesyntax/impl/StorageImpl.java b/src/main/java/core/basesyntax/impl/StorageImpl.java
index 455a7b080..01d9f79ba 100644
--- a/src/main/java/core/basesyntax/impl/StorageImpl.java
+++ b/src/main/java/core/basesyntax/impl/StorageImpl.java
@@ -1,19 +1,52 @@
 package core.basesyntax.impl;
 
 import core.basesyntax.Storage;
+import java.util.Objects;
 
 public class StorageImpl<K, V> implements Storage<K, V> {
+    private static final int MAX_ARRAY_SIZE = 10;
+    private Object[] keys;
+    private Object[] values;
+    private int count;
+
+    public StorageImpl() {
+        keys = new Object[MAX_ARRAY_SIZE];
+        values = new Object[MAX_ARRAY_SIZE];
+        count = 0;
+    }
+
+    private int findIndexOfKey(K key) {
+        for (int i = 0; i < count; i++) {
+            if (Objects.equals(keys[i], key)) {
+                return i;
+            }
+        }
+        return -1;
+    }
+
     @Override
     public void put(K key, V value) {
+        int index = findIndexOfKey(key);
+        if (index != -1) {
+            values[index] = value;
+        } else {
+            keys[count] = key;
+            values[count] = value;
+            count++;
+        }
     }
 
     @Override
     public V get(K key) {
+        int index = findIndexOfKey(key);
+        if (index != -1) {
+            return (V) values[index];
+        }
         return null;
     }
 
     @Override
     public int size() {
-        return -1;
+        return count;
     }
 }