add example for "default constructor, copy constructor, destructor, if you need one you'll need all"

add smart pointer
add pointer pointer

CPlusPlus/Classes/Monster.h

@@ -1,6 +1,8 @@
 #pragma once
+
 #include "Entity.h"
 #include "ICompareable.h"
+#include "Weapon.h"
 
 //enum Monsters
 //{
@@ -12,6 +14,9 @@
 class Monster : public Entity, public ICompareable
 {
 public:
+	// internal pointers often requires a default & copy constructor and a destructor
+	Monster();
+	Monster(const Monster& other);
 	Monster(int strength);
 	virtual ~Monster();
 
@@ -22,6 +27,8 @@ public:
 	int Compare(ICompareable* other) override;
 
 protected:
+	Weapon* _pWeapon = nullptr;
+
 	int _strength = 0;
 	float _speed = 0.0f;
 };