Add the initial EN translation for C++ code (#1346)

en/codes/cpp/chapter_hashing/array_hash_map_test.cpp

@@ -0,0 +1,52 @@
+/**
+ * File: array_hash_map_test.cpp
+ * Created Time: 2022-12-14
+ * Author: msk397 (machangxinq@gmail.com)
+ */
+
+#include "./array_hash_map.cpp"
+
+/* Driver Code */
+int main() {
+    /* Initialize hash table */
+    ArrayHashMap map = ArrayHashMap();
+
+    /* Add operation */
+    // Add key-value pair (key, value) to the hash table
+    map.put(12836, "Ha");
+    map.put(15937, "Luo");
+    map.put(16750, "Suan");
+    map.put(13276, "Fa");
+    map.put(10583, "Ya");
+    cout << "\nAfter adding, the hash table is\nKey -> Value" << endl;
+    map.print();
+
+    /* Query operation */
+    // Enter key to the hash table, get value
+    string name = map.get(15937);
+    cout << "\nEnter student ID 15937, found name " << name << endl;
+
+    /* Remove operation */
+    // Remove key-value pair (key, value) from the hash table
+    map.remove(10583);
+    cout << "\nAfter removing 10583, the hash table is\nKey -> Value" << endl;
+    map.print();
+
+    /* Traverse hash table */
+    cout << "\nTraverse key-value pairs Key->Value" << endl;
+    for (auto kv : map.pairSet()) {
+        cout << kv->key << " -> " << kv->val << endl;
+    }
+
+    cout << "\nIndividually traverse keys Key" << endl;
+    for (auto key : map.keySet()) {
+        cout << key << endl;
+    }
+
+    cout << "\nIndividually traverse values Value" << endl;
+    for (auto val : map.valueSet()) {
+        cout << val << endl;
+    }
+
+    return 0;
+}