From a2d533ef498211e54367df496c663a4179eafb73 Mon Sep 17 00:00:00 2001
From: Yohan Boujon <yo.boujon@gmail.com>
Date: Thu, 19 Oct 2023 13:45:36 +0200
Subject: [PATCH] Exercice 5, Partie 2.

---
 src/exercice5part2.java | 18 ++++++++++++++++++
 src/partie5/Carre.java  | 18 ++++++++++++++++++
 src/partie5/Cercle.java | 20 ++++++++++++++++++++
 src/partie5/Forme.java  | 10 ++++++++++
 4 files changed, 66 insertions(+)
 create mode 100644 src/exercice5part2.java
 create mode 100644 src/partie5/Carre.java
 create mode 100644 src/partie5/Cercle.java
 create mode 100644 src/partie5/Forme.java

diff --git a/src/exercice5part2.java b/src/exercice5part2.java
new file mode 100644
index 0000000..490b538
--- /dev/null
+++ b/src/exercice5part2.java
@@ -0,0 +1,18 @@
+import partie5.Cercle;
+import partie5.Carre;
+import partie5.Forme;
+
+public class exercice5part2 {
+    public static void main(String[] args) {
+        Cercle cercle = new Cercle(5);
+        Carre carre = new Carre(10);
+
+        printForme(cercle);
+        printForme(carre);
+    }
+
+    public static void printForme(Forme f)
+    {
+        System.out.println("Cercle\tPerimetre: "+f.perimetre()+"\tSurface/Aire: "+f.surface()+"\tEtalement: "+f.etalement());
+    }
+}
diff --git a/src/partie5/Carre.java b/src/partie5/Carre.java
new file mode 100644
index 0000000..6325c8c
--- /dev/null
+++ b/src/partie5/Carre.java
@@ -0,0 +1,18 @@
+package partie5;
+
+public class Carre extends Forme {
+    double cote;
+
+    public Carre(double c)
+    {
+        this.cote = c;
+    }
+
+    public double perimetre() {
+        return this.cote*4;
+    }
+
+    public double surface() {
+        return this.cote*this.cote;
+    }
+}
diff --git a/src/partie5/Cercle.java b/src/partie5/Cercle.java
new file mode 100644
index 0000000..e52ae32
--- /dev/null
+++ b/src/partie5/Cercle.java
@@ -0,0 +1,20 @@
+package partie5;
+
+public class Cercle extends Forme {
+    double rayon;
+
+    public Cercle(double r)
+    {
+        this.rayon = r;
+    }
+
+    public double perimetre()
+    {
+        return rayon*2*Math.PI;
+    }
+
+    public double surface()
+    {
+        return rayon*rayon*Math.PI;
+    }
+}
diff --git a/src/partie5/Forme.java b/src/partie5/Forme.java
new file mode 100644
index 0000000..5798a0b
--- /dev/null
+++ b/src/partie5/Forme.java
@@ -0,0 +1,10 @@
+package partie5;
+
+public abstract class Forme {
+    public abstract double perimetre();
+    public abstract double surface();
+    public double etalement() {
+        double peri = perimetre();
+        return 16 * surface() / (peri* peri);
+    }
+}