diff --git a/src/lab16_composite/ex1/Entity.java b/src/lab16_composite/ex1/Entity.java
new file mode 100644
index 0000000..8768638
--- /dev/null
+++ b/src/lab16_composite/ex1/Entity.java
@@ -0,0 +1,8 @@
+package lab16_composite.ex1;
+
+public interface Entity {
+    void cry();
+    void simulateInjury();
+    void enterField();
+    void shoot();
+}
diff --git a/src/lab16_composite/ex1/Game.java b/src/lab16_composite/ex1/Game.java
new file mode 100644
index 0000000..75ba22c
--- /dev/null
+++ b/src/lab16_composite/ex1/Game.java
@@ -0,0 +1,33 @@
+package lab16_composite.ex1;
+
+public class Game {
+    public static void main(String[] args) {
+        Player jo = new Player(1);
+        Player jean = new Player(2);
+        Player paul = new Player(3);
+        jo.cry();
+        jean.cry();
+        jo.enterField();
+        Team team1 = new Team();
+        team1.add(jo);
+        team1.add(jean);
+        team1.add(paul);
+        team1.enterField();
+        team1.cry();
+        team1.simulateInjury();
+        Player martine = new Player(3);
+        Player isabelle = new Player(4);
+        Player mariePaule = new Player(5);
+
+        Team team2 = new Team();
+        team2.add(martine);
+        team2.add(isabelle);
+        team2.add(mariePaule);
+        team2.add(team1);
+        team2.enterField();
+        team2.cry();
+        team2.simulateInjury();
+        team2.remove(team1);
+        team2.simulateInjury();
+    }
+}
\ No newline at end of file
diff --git a/src/lab16_composite/ex1/Player.java b/src/lab16_composite/ex1/Player.java
new file mode 100644
index 0000000..bce3ab2
--- /dev/null
+++ b/src/lab16_composite/ex1/Player.java
@@ -0,0 +1,30 @@
+package lab16_composite.ex1;
+
+public class Player implements Entity {
+    private int number;
+
+    public Player(int number) {
+        this.number = number;
+    }
+
+    @Override
+    public String toString() {
+        return "[Player " + number + "]";
+    }
+
+    public void cry() {
+        System.out.println(this + " ouin ouin");
+    }
+
+    public void enterField() {
+        System.out.println(this + " let's go !");
+    }
+
+    public void simulateInjury() {
+        System.out.println(this + " ouch !");
+    }
+
+    public void shoot() {
+        System.out.println(this + " encara Messi...");
+    }
+}
diff --git a/src/lab16_composite/ex1/Team.java b/src/lab16_composite/ex1/Team.java
new file mode 100644
index 0000000..b0fb75c
--- /dev/null
+++ b/src/lab16_composite/ex1/Team.java
@@ -0,0 +1,44 @@
+package lab16_composite.ex1;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Team implements Entity {
+    private List<Entity> entities = new ArrayList<>();
+
+    public void add(Entity entity) {
+        entities.add(entity);
+    }
+
+    public void remove(Entity entity) {
+        entities.remove(entity);
+    }
+
+    @Override
+    public void cry() {
+        for (Entity entity : entities) {
+            entity.cry();
+        }
+    }
+
+    @Override
+    public void simulateInjury() {
+        for (Entity entity : entities) {
+            entity.simulateInjury();
+        }
+    }
+
+    @Override
+    public void enterField() {
+        for (Entity entity : entities) {
+            entity.enterField();
+        }
+    }
+
+    @Override
+    public void shoot() {
+        for (Entity entity : entities) {
+            entity.shoot();
+        }
+    }
+}