diff --git a/src/td09/TestingFileReader.java b/src/td09/TestingFileReader.java
new file mode 100644
index 0000000000000000000000000000000000000000..e16a362bad58bf7c91a5c91336c8ff3af7eb4d2f
--- /dev/null
+++ b/src/td09/TestingFileReader.java
@@ -0,0 +1,45 @@
+package td09;
+
+import java.io.BufferedReader;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+
+public class TestingFileReader
+{
+    public static void main(String[] args) throws IOException
+    {
+        FileReader fileR = new FileReader("C://Users/samue/OneDrive/Bureau/Dev/S2/dev_Java/dev-oo/src/td09/truc.txt");
+        BufferedReader buff = new BufferedReader(fileR);
+
+        try
+        {
+            String str = buff.readLine();
+            while(str != null)
+            {
+                System.out.println(str);
+                str = buff.readLine();
+            }
+
+            System.out.println();
+
+            /*if(fileR.ready())
+            {
+                String n = buff.readLine();
+                System.out.println(n);
+            }*/
+            buff.close();
+            fileR.close();
+        }
+        catch (FileNotFoundException e)
+        {
+            System.err.println("Fichier non trouvé !!!");
+            e.printStackTrace();
+        }
+        finally
+        {
+            buff.close();
+            fileR.close();
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/td09/TestingFileWrite.java b/src/td09/TestingFileWrite.java
new file mode 100644
index 0000000000000000000000000000000000000000..5f910446093eb8026bb75b48f48a1d2e2ccc3726
--- /dev/null
+++ b/src/td09/TestingFileWrite.java
@@ -0,0 +1,36 @@
+package td09;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+
+public class TestingFileWrite
+{
+    public static void main(String[] args)
+    {
+        double[] data = new double[] {15.9,21.2,18.4,25.4,31.1};
+
+        File fileIn = new File("C://Users/samue/OneDrive/Bureau/Dev/S2/dev_Java/dev-oo/src/td09/chose.txt");
+        if(!fileIn.exists())
+		{
+			try
+			{
+				FileWriter writer = new FileWriter(fileIn);
+				BufferedWriter buffer = new BufferedWriter(writer);
+
+                for(double d : data)
+                {
+                    buffer.write(String.valueOf(d));
+                    buffer.newLine();
+                }
+                buffer.close();
+                writer.close();
+                fileIn.createNewFile();
+            }catch(IOException e)
+            {
+                System.err.println("Erreur sur le fichier");
+            }
+        }
+    }   
+}
\ No newline at end of file
diff --git a/src/td09/TestingPrintWriter.java b/src/td09/TestingPrintWriter.java
new file mode 100644
index 0000000000000000000000000000000000000000..67100c73e86f8b1c56bcc976b592d3e680ea2edd
--- /dev/null
+++ b/src/td09/TestingPrintWriter.java
@@ -0,0 +1,40 @@
+package td09;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.PrintWriter;
+
+public class TestingPrintWriter
+{
+    public static void main(String[] args)
+    {
+        double[] data = new double[] {15.9,21.2,18.4,25.4,31.1};
+
+        File fileIn = new File("C://Users/samue/OneDrive/Bureau/Dev/S2/dev_Java/dev-oo/src/td09/chose.txt");
+        if(!fileIn.exists())
+		{
+			try
+			{
+				FileWriter writer = new FileWriter(fileIn);
+				BufferedWriter buffer = new BufferedWriter(writer);
+                PrintWriter pW = new PrintWriter(fileIn);
+
+                for(double d : data)
+                {
+                    pW.println(d);
+                    //buffer.write(String.valueOf(d));
+                    //buffer.newLine();
+                }
+                pW.close();
+                buffer.close();
+                writer.close();
+                fileIn.createNewFile();
+            }catch(IOException e)
+            {
+                System.err.println("Erreur sur le fichier");
+            }
+        }
+    }    
+}
\ No newline at end of file
diff --git a/src/td09/chose.txt b/src/td09/chose.txt
new file mode 100644
index 0000000000000000000000000000000000000000..835c23cfe2d522bf65e169f15c3dcc75d973d9e9
--- /dev/null
+++ b/src/td09/chose.txt
@@ -0,0 +1,5 @@
+15.9
+21.2
+18.4
+25.4
+31.1
diff --git a/src/td09/truc.txt b/src/td09/truc.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e140d84938378681466d1a44f11b16f2bcab1f93
--- /dev/null
+++ b/src/td09/truc.txt
@@ -0,0 +1,5 @@
+IUT de Lille
+Pomme
+Fraise
+Orange
+Blue
\ No newline at end of file