V4

src/Configuration/Configuration.java

+package Configuration;
+
+public final class Configuration {
+    private int difficulte;
+    private int tailleMaxEquipe;
+    private static Configuration INSTANCE;
+    private Configuration() {
+    }
+    public static Configuration getInstance() {
+        if(INSTANCE == null) {
+            INSTANCE = new Configuration();
+        }
+
+        return INSTANCE;
+    }
+    public void setDifficulte(int difficulte){
+        this.difficulte = difficulte;
+    }
+    public int getDifficulte(){
+        return difficulte;
+    }
+    public void setTailleMaxEquipe(int taille){
+        tailleMaxEquipe = taille;
+    }
+}
\ No newline at end of file