add pointer

add "dynamic" heap array
add polymorphic

CPlusPlus/Collections/main.cpp

@@ -51,6 +51,19 @@ int main()
 	printArray(numbers2);
 	printArray(numbers2, std::size(numbers2));
 
+	// "dynamic" (heap) arrays
+	int count2 = 10;
+	int* heapNumbers = new int[count2];
+	heapNumbers[0] = 10;
+	int* pHeapNumber = heapNumbers;
+	for (size_t i = 0; i < count2; i++)
+	{
+		cout << pHeapNumber << ": " << *pHeapNumber << " ";
+		pHeapNumber++;
+	}
+	delete[] heapNumbers; // CAUTION - heap arrays have to be deleted with delete[] not delete
+	heapNumbers = nullptr;
+
 	// stl collections
 	vector<int> numbers6;
 	vector<int> numbers7 = { 0, 1, 2, 3 };