diff --git a/src/etape3/point2d.cpp b/src/etape3/point2d.cpp
new file mode 100644
index 0000000..8606372
--- /dev/null
+++ b/src/etape3/point2d.cpp
@@ -0,0 +1,56 @@
+#include <iostream>
+#include "point2d.h"
+
+Point2D::Point2D()
+    : Point2D(0,0)
+{}
+
+Point2D::Point2D(float x)
+    : Point2D(x,0)
+{}
+
+Point2D::Point2D(float x, float y)
+    : _x(x), _y(y)
+{}
+
+Point2D::~Point2D()
+{}
+
+void Point2D::Saisie(float x, float y)
+{
+    _x = x;
+    _y = y;
+}
+
+void Point2D::Affiche()
+{
+    std::cout << "[POINT] X= " << _x << "\tY=" << _y << std::endl;
+}
+
+Point2D Point2D::operator+(const Point2D& other)
+{
+    return {this->_x + other._x, this->_y + other._y};
+}
+
+Point2D Point2D::operator*(int other)
+{
+    return {this->_x*other, this->_y*other};
+}
+
+int main(void)
+{
+    Point2D pointA(2.0f,3.0f);
+    Point2D pointB(1.0f);
+    Point2D pointC;
+    pointA.Saisie(4.31f, 5.45f);
+
+    pointA.Affiche();
+    pointB.Affiche();
+    pointC.Affiche();
+    Point2D A(1,2), B(3,4),C;
+    C = A + B;
+    C.Affiche();
+    C = A*5;
+    C.Affiche();
+    return 0;
+}
\ No newline at end of file
diff --git a/src/etape3/point2d.h b/src/etape3/point2d.h
new file mode 100644
index 0000000..78fb06f
--- /dev/null
+++ b/src/etape3/point2d.h
@@ -0,0 +1,18 @@
+#ifndef HEADER_POINT2D
+#define HEADER_POINT2D
+
+class Point2D {
+    public:
+        Point2D();
+        Point2D(float x);
+        Point2D(float x, float y);
+        ~Point2D();
+        void Saisie(float x, float y);
+        void Affiche();
+        Point2D operator+(const Point2D& other);
+        Point2D operator*(int left);
+    private:
+        float _x,_y;
+};
+
+#endif
\ No newline at end of file