diff --git a/bin/C10_Tri_et_complexite/C102_Complexite_algorithmique/Poignee_de_main.class b/bin/C10_Tri_et_complexite/C102_Complexite_algorithmique/Poignee_de_main.class
new file mode 100644
index 0000000..ef890c2
Binary files /dev/null and b/bin/C10_Tri_et_complexite/C102_Complexite_algorithmique/Poignee_de_main.class differ
diff --git a/bin/C11_Flux_de_donnees/10_algorithms_16x9_fr.pdf b/bin/C11_Flux_de_donnees/10_algorithms_16x9_fr.pdf
new file mode 100644
index 0000000..94ab260
Binary files /dev/null and b/bin/C11_Flux_de_donnees/10_algorithms_16x9_fr.pdf differ
diff --git a/bin/C10_Tri_et_complexite/C102_Complexite_algorithmique/App.class b/bin/C11_Flux_de_donnees/C11a_Les_exceptions/App.class
similarity index 60%
rename from bin/C10_Tri_et_complexite/C102_Complexite_algorithmique/App.class
rename to bin/C11_Flux_de_donnees/C11a_Les_exceptions/App.class
index 0413131..a6f779a 100644
Binary files a/bin/C10_Tri_et_complexite/C102_Complexite_algorithmique/App.class and b/bin/C11_Flux_de_donnees/C11a_Les_exceptions/App.class differ
diff --git a/bin/C11_Flux_de_donnees/C11b_Lire_et_ecrire_des_fichiers/App.class b/bin/C11_Flux_de_donnees/C11b_Lire_et_ecrire_des_fichiers/App.class
new file mode 100644
index 0000000..46e5a4b
Binary files /dev/null and b/bin/C11_Flux_de_donnees/C11b_Lire_et_ecrire_des_fichiers/App.class differ
diff --git a/src/C10_Tri_et_complexite/C102_Complexite_algorithmique/App.java b/src/C10_Tri_et_complexite/C102_Complexite_algorithmique/Poignee_de_main.java
similarity index 85%
rename from src/C10_Tri_et_complexite/C102_Complexite_algorithmique/App.java
rename to src/C10_Tri_et_complexite/C102_Complexite_algorithmique/Poignee_de_main.java
index 02f6720..d7b13d3 100644
--- a/src/C10_Tri_et_complexite/C102_Complexite_algorithmique/App.java
+++ b/src/C10_Tri_et_complexite/C102_Complexite_algorithmique/Poignee_de_main.java
@@ -1,6 +1,6 @@
 package C10_Tri_et_complexite.C102_Complexite_algorithmique;
 
-public class App {
+public class Poignee_de_main {
     public static void main(String[] args) throws Exception {
         System.out.println("Hello, World!");
     }
diff --git a/src/C11_Flux_de_donnees/10_algorithms_16x9_fr.pdf b/src/C11_Flux_de_donnees/10_algorithms_16x9_fr.pdf
new file mode 100644
index 0000000..94ab260
Binary files /dev/null and b/src/C11_Flux_de_donnees/10_algorithms_16x9_fr.pdf differ
diff --git a/src/C11_Flux_de_donnees/C11a_Les_exceptions/App.java b/src/C11_Flux_de_donnees/C11a_Les_exceptions/App.java
new file mode 100644
index 0000000..8caa621
--- /dev/null
+++ b/src/C11_Flux_de_donnees/C11a_Les_exceptions/App.java
@@ -0,0 +1,7 @@
+package C11_Flux_de_donnees.C11a_Les_exceptions;
+
+public class App {
+    public static void main(String[] args) throws Exception {
+        System.out.println("Hello, World!");
+    }
+}
diff --git a/src/C11_Flux_de_donnees/C11b_Lire_et_ecrire_des_fichiers/App.java b/src/C11_Flux_de_donnees/C11b_Lire_et_ecrire_des_fichiers/App.java
new file mode 100644
index 0000000..796d203
--- /dev/null
+++ b/src/C11_Flux_de_donnees/C11b_Lire_et_ecrire_des_fichiers/App.java
@@ -0,0 +1,9 @@
+package C11_Flux_de_donnees.C11b_Lire_et_ecrire_des_fichiers;
+
+// Combien de poignées de mains vont être échangée pour n personne ?
+
+public class App {
+    public static void main(String[] args) throws Exception {
+        System.out.println("Hello, World!");
+    }
+}