diff --git a/.classpath b/.classpath
new file mode 100644
index 0000000..adeb0a3
--- /dev/null
+++ b/.classpath
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ae3c172
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/bin/
diff --git a/.project b/.project
new file mode 100644
index 0000000..d80839f
--- /dev/null
+++ b/.project
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Projet-POO</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>
diff --git a/COOProj_Structurecomposite(1).drawio b/COOProj_Structurecomposite(1).drawio
deleted file mode 100644
index 0e954f0..0000000
--- a/COOProj_Structurecomposite(1).drawio
+++ /dev/null
@@ -1 +0,0 @@
-<mxfile host="app.diagrams.net" modified="2020-11-13T16:26:42.995Z" agent="5.0 (Windows)" etag="UvvPIOTQ7ppJL4sJe7C_" version="13.1.1" type="device"><diagram name="Page-1" id="5f0bae14-7c28-e335-631c-24af17079c00">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</diagram></mxfile>
\ No newline at end of file
diff --git a/src/Message.java b/src/Message.java
new file mode 100644
index 0000000..1f49f15
--- /dev/null
+++ b/src/Message.java
@@ -0,0 +1,14 @@
+public class Message {
+
+
+	private String msg = null;
+	public void setmsg(String msg)
+	{
+		this.msg = msg;
+	}
+	public String getmsg()
+	{
+		return msg;
+	}
+}
+
diff --git a/src/User.java b/src/User.java
new file mode 100644
index 0000000..3ca6510
--- /dev/null
+++ b/src/User.java
@@ -0,0 +1,13 @@
+
+public class User {
+
+	private String pseudo = null;
+	public void setpseudo(String pseudo)
+	{
+		this.pseudo = pseudo;
+	}
+	public String getpseudo()
+	{
+		return pseudo;
+	}
+}
diff --git a/src/module-info.java b/src/module-info.java
new file mode 100644
index 0000000..b70f100
--- /dev/null
+++ b/src/module-info.java
@@ -0,0 +1,2 @@
+module chat {
+}
\ No newline at end of file