diff --git a/d04/ex02/Makefile b/d04/ex02/Makefile
index fc4b7c2..fd3eed7 100644
--- a/d04/ex02/Makefile
+++ b/d04/ex02/Makefile
@@ -17,7 +17,7 @@ ifeq "$(TYPE)" "c"
   CC      = c
   EXT     = c
 else ifeq "$(TYPE)" "cpp"
-  CC      = c++
+  CC      = clang++
   EXT     = cpp
 endif
 
diff --git a/d04/ex02/a.out b/d04/ex02/a.out
new file mode 100755
index 0000000..9701802
Binary files /dev/null and b/d04/ex02/a.out differ
diff --git a/d04/ex02/headers/Animal.hpp b/d04/ex02/headers/Animal.hpp
index d055205..8378a82 100644
--- a/d04/ex02/headers/Animal.hpp
+++ b/d04/ex02/headers/Animal.hpp
@@ -2,23 +2,24 @@
 # define ANIMAL_HPP
 
 # include "color.h"
-#include <iostream>
-#include <string>
+# include <iostream>
+# include <string>
+# include "Brain.hpp"
 
 class Animal {
 
 public:
-
 	Animal();
 	Animal( Animal const & src );
 	virtual ~Animal( void );
-	Animal &	operator=( Animal const & rhs );
+	virtual Animal &	operator=( Animal const & rhs );
 
 	virtual void	makeSound() const = 0;
 	std::string	getType() const;
 
-protected:
+	virtual Brain *	getBrain() const = 0;
 
+protected:
 	std::string	type;
 
 };
diff --git a/d04/ex02/headers/Cat.hpp b/d04/ex02/headers/Cat.hpp
index ba516e2..1c69329 100644
--- a/d04/ex02/headers/Cat.hpp
+++ b/d04/ex02/headers/Cat.hpp
@@ -15,14 +15,17 @@ public:
 	Cat();
 	Cat( Brain *brain );
 //	Cat( Brain *brain = new Brain() );
+	Cat( std::string ideas );
 	Cat( Cat const & src );
 	~Cat();
 	Cat &	operator=( Cat const & rhs );
+	Cat &	operator=( Animal const & rhs );
 
 	void	makeSound() const;
 
 	void	printBrain() const;
 	void	printBrain(int pos) const;
+	Brain *	getBrain() const;
 
 private:
 
diff --git a/d04/ex02/headers/Dog.hpp b/d04/ex02/headers/Dog.hpp
index 17617cd..2fdc58d 100644
--- a/d04/ex02/headers/Dog.hpp
+++ b/d04/ex02/headers/Dog.hpp
@@ -17,8 +17,10 @@ public:
 	Dog( Dog const & src );
 	~Dog();
 	Dog &	operator=( Dog const & rhs );
+	Dog &	operator=( Animal const & rhs );
 
 	void	makeSound() const;
+	Brain *	getBrain() const;
 
 private:
 
diff --git a/d04/ex02/main.cpp b/d04/ex02/main.cpp
index b443872..8292f33 100644
--- a/d04/ex02/main.cpp
+++ b/d04/ex02/main.cpp
@@ -6,11 +6,45 @@
 #include <string>
 
 #include "color.h"
-#define N_TEST "7"
+#define N_TEST "9"
 
 int	main() {
 	int i = 0;
 
+	std::cout << B_YELLOW "\n[" << ++i << "/" N_TEST "] test erlazo :" RESET "\n";
+	{
+		Animal* i = new Cat("I am catwoman");
+		Animal* j = new Cat("I am just a cat");
+		
+		std::cout << std::endl;
+		std::cout << "cat i : ";
+		i->getBrain()->printIdea(0);
+		std::cout << "cat j : ";
+		j->getBrain()->printIdea(0);
+		
+		std::cout << "\n*i = *j\n";
+		*i = *j;
+		
+		std::cout << "cat i : ";
+		i->getBrain()->printIdea(0);
+		std::cout << "cat j : ";
+		j->getBrain()->printIdea(0);
+		
+		std::cout << "\nj->getBrain->putIdea(\"I am not a cat\")\n";
+		j->getBrain()->putIdea(0, "I am not a cat");;
+		
+		std::cout << "cat i : ";
+		i->getBrain()->printIdea(0);
+		std::cout << "cat j : ";
+		j->getBrain()->printIdea(0);
+		
+		std::cout << std::endl;
+		std::cout << "delete i\n";
+		delete i;
+		std::cout << "delete j\n";
+		delete j;
+	}
+
 	std::cout << B_YELLOW "\n[" << ++i << "/" N_TEST "] test subject :" RESET "\n";
 	{
 		const Animal* j = new Dog();
@@ -66,6 +100,24 @@ int	main() {
 		delete brain2;
 	}
 
+	std::cout << B_YELLOW "\n[" << ++i << "/" N_TEST "] test with brain :" RESET "\n";
+	{
+		Cat *	cat1;
+		Cat		cat2;
+		Brain *	brain1 = new Brain();
+
+
+			std::cout << B_BLUE "create new cat with brain1 :" RESET "\n";
+		cat1 = new Cat(brain1);
+			std::cout << B_BLUE "cat2 copy cat1 :" RESET "\n";
+		cat2 = *cat1;
+
+			std::cout << B_BLUE "delete cat1 :" RESET "\n";
+		delete cat1;
+			std::cout << B_BLUE "delete brain1 :" RESET "\n";
+		delete brain1;
+	}
+
 	std::cout << B_YELLOW "\n[" << ++i << "/" N_TEST "] array animal test :" RESET "\n";
 	{
 		Animal	*animals[10];
diff --git a/d04/ex02/pure b/d04/ex02/pure
index 52f6480..956ca8d 100755
Binary files a/d04/ex02/pure and b/d04/ex02/pure differ
diff --git a/d04/ex02/srcs/Brain.cpp b/d04/ex02/srcs/Brain.cpp
index bd3543e..3c552f8 100644
--- a/d04/ex02/srcs/Brain.cpp
+++ b/d04/ex02/srcs/Brain.cpp
@@ -46,20 +46,16 @@ void	Brain::printIdea(int pos) {
 	if (pos < SIZE_IDEAS)
 		std::cout << _ideas[pos] << "\n";
 }
-
 void	Brain::putIdea(int pos, std::string idea) {
 	if (pos < SIZE_IDEAS)
 		_ideas[pos] = idea;
 }
-
 void	Brain::printIdeas() {
 	for (int i = 0; i < SIZE_IDEAS; i++)
 		std::cout << _ideas[i] << " - ";
 	std::cout << "\n";
 }
-
 void	Brain::putIdeas(std::string idea) {
 	for (int i = 0; i < SIZE_IDEAS; i++)
 		_ideas[i] = idea;
 }
-
diff --git a/d04/ex02/srcs/Cat.cpp b/d04/ex02/srcs/Cat.cpp
index b9a3ace..621d138 100644
--- a/d04/ex02/srcs/Cat.cpp
+++ b/d04/ex02/srcs/Cat.cpp
@@ -17,12 +17,19 @@ Cat::Cat() {
 	return;
 }
 Cat::Cat( Brain * brain ) {
-	std::cout << COPLIEN_COLOR "Cat parameters constructor" RESET "\n";
+	std::cout << COPLIEN_COLOR "Cat parameters brain constructor" RESET "\n";
 	type = "cat";
 	_brain = new Brain();
 	*_brain = *brain;
 	return;
 }
+Cat::Cat( std::string ideas ) {
+	std::cout << COPLIEN_COLOR "Cat parameters ideas constructor" RESET "\n";
+	type = "cat";
+	_brain = new Brain();
+	_brain->putIdeas(ideas);
+	return;
+}
 
 /*
  * error: base class ‘class Animal’ should be explicitly initialized in the copy constructor [-Werror=extra]
@@ -52,9 +59,19 @@ Cat::~Cat() {
  *********************************************/
 
 Cat &	Cat::operator=( Cat const & rhs ) {
-	std::cout << COPLIEN_COLOR "Cat assignator" RESET "\n";
 	Animal::operator=(rhs);
-	*_brain = *rhs._brain;
+	std::cout << COPLIEN_COLOR "Cat assignator" RESET "\n";
+	if (this != &rhs)
+		*_brain = *(rhs.getBrain());
+	return *this;
+}
+// need of a second overload in case "Animal cat" = "Animal cat";
+// https://stackoverflow.com/questions/68248198/why-my-virtual-assignment-operator-not-doing-as-intended
+Cat &	Cat::operator=( Animal const & rhs ) {
+	Animal::operator=(rhs);
+	std::cout << COPLIEN_COLOR "Cat (Animal) assignator" RESET "\n";
+	if (this != &rhs)
+		*_brain = *(rhs.getBrain());
 	return *this;
 }
 
@@ -71,3 +88,6 @@ void	Cat::printBrain() const {
 void	Cat::printBrain(int pos) const {
 	_brain->printIdea(pos);
 }
+
+Brain *	Cat::getBrain() const { return _brain; }
+
diff --git a/d04/ex02/srcs/Dog.cpp b/d04/ex02/srcs/Dog.cpp
index f6f1cdb..cacfa69 100644
--- a/d04/ex02/srcs/Dog.cpp
+++ b/d04/ex02/srcs/Dog.cpp
@@ -49,9 +49,18 @@ Dog::~Dog() {
 
 Dog &	Dog::operator=( Dog const & rhs ) {
 	Animal::operator=(rhs);
-	_brain = new Brain();
+	std::cout << COPLIEN_COLOR "Dog assignator" RESET "\n";
 	if (this != &rhs)
-		_brain = rhs._brain;
+		*_brain = *(rhs.getBrain());
+	return *this;
+}
+// need of a second overload in case "Animal cat" = "Animal cat";
+// https://stackoverflow.com/questions/68248198/why-my-virtual-assignment-operator-not-doing-as-intended
+Dog &	Dog::operator=( Animal const & rhs ) {
+	Animal::operator=(rhs);
+	std::cout << COPLIEN_COLOR "Cat (Animal) assignator" RESET "\n";
+	if (this != &rhs)
+		*_brain = *(rhs.getBrain());
 	return *this;
 }
 
@@ -63,3 +72,4 @@ void	Dog::makeSound() const {
 	std::cout << "*woof*\n";
 }
 
+Brain *	Dog::getBrain() const { return _brain; }
diff --git a/d04/ex02/test_assignement.cpp b/d04/ex02/test_assignement.cpp
new file mode 100644
index 0000000..f01af24
--- /dev/null
+++ b/d04/ex02/test_assignement.cpp
@@ -0,0 +1,38 @@
+# include <iostream>
+# include <string>
+
+class Animal {
+public:
+	virtual Animal &	operator=( Animal const & rhs ) {
+		std::cout << "Animal operator=\n";
+		return *this;
+	}
+};
+
+class Cat : public Animal {
+public:
+	Cat &	operator=( Cat const & rhs ) {
+		Animal::operator=(rhs);
+		std::cout << "Cat operator=\n";
+		return *this;
+	}
+	Cat &	operator=( Animal const & rhs ) {
+		Animal::operator=(rhs);
+		std::cout << "Cat operator=\n";
+		return *this;
+	}
+	void catSpeak() {std::cout << "I am a cat\n";}
+};
+
+int	main() {
+	Animal* i = new Cat();
+	Animal* j = new Cat();
+	
+	i->catSpeak();
+	j->catSpeak();
+	*i = *j;
+	
+	delete i;
+	delete j;
+}
+