Add notes on constructor in inheritance

Author: XuhuaHuang

Inheritance/CMakeLists.txt

@@ -7,5 +7,9 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 add_executable(inheritance_notes "notes.cpp")
 
-add_subdirectory("BankingAccounts")
-add_subdirectory("Relatives")
+add_executable(constructor_destructor "constructor_destructor.cpp")
+
+if(MSVC)
+    add_subdirectory("BankingAccounts")
+    add_subdirectory("Relatives")
+endif()

Inheritance/README.md

@@ -0,0 +1,7 @@
+# Inheritance and Access
+
+- In public inheritance, all members are inherited with the same access levels as they had in the base class
+- In protected inheritance, all public members in the base class are inherited as protected
+- In private inheritance, all members in the base class are inherited as 
+private
+- Generally, most use cases for inheritance should follow public inheritance, even though in C++ private would be the default

Inheritance/constructor_destructor.cpp

@@ -0,0 +1,29 @@
+/**
+ * @file constructor_destructor.cpp
+ * @author Xuhua Huang
+ * @brief Notes on inheritance of constructors and destructors.
+ * @version 0.1
+ * @date 2026-04-03
+ *
+ * @copyright Copyright (c) 2026
+ *
+ */
+#include <iostream>
+
+class Parent {
+public:
+  Parent() { std::cout << __LINE__ << " In Parent default constructor" << std::endl; }
+  ~Parent() { std::cout << __LINE__ << " In Parent destructor" << std::endl; }
+};
+
+class Child : public Parent {
+public:
+  Child() { std::cout << __LINE__ << " In Child default constructor" << std::endl; }
+  ~Child() { std::cout << __LINE__ << " In Child destructor" << std::endl; }
+};
+
+int main() {
+  Parent p;
+  Child  c;
+  return 0;
+} // c is destroyed first, then p is destroyed

Inheritance/overloaded_constructor.cpp

@@ -0,0 +1,40 @@
+/**
+ * @file overloaded_constructor.cpp
+ * @author Xuhua Huang
+ * @brief
+ * @version 0.1
+ * @date 2026-04-03
+ *
+ * @copyright Copyright (c) 2026
+ *
+ */
+
+#include <iostream>
+
+class Parent {
+public:
+  Parent() { std::cout << __LINE__ << " In Parent default constructor" << std::endl; }
+
+  Parent([[maybe_unused]]
+         int x) {
+    std::cout << __LINE__ << " In Parent overloaded constructor" << std::endl;
+  }
+};
+
+class Child : public Parent {
+public:
+  Child()
+    : Parent() {
+    std::cout << __LINE__ << " In Child default constructor" << std::endl;
+  }
+
+  Child(int x)
+    : Parent(x) {
+    std::cout << __LINE__ << " In Child overloaded constructor" << std::endl;
+  }
+};
+int main() {
+  Child c1;
+  Child c2(1);
+  return 0;
+}