diff --git a/src/main/java/jpa/metier/Choix.java b/src/main/java/jpa/metier/Choix.java
new file mode 100644
index 0000000..0caae16
--- /dev/null
+++ b/src/main/java/jpa/metier/Choix.java
@@ -0,0 +1,7 @@
+package jpa.metier;
+
+public class Choix extends Reponse{
+    public Choix() {}
+
+
+}
diff --git a/src/main/java/jpa/metier/Classement.java b/src/main/java/jpa/metier/Classement.java
index 4a61ac8..1c670b2 100644
--- a/src/main/java/jpa/metier/Classement.java
+++ b/src/main/java/jpa/metier/Classement.java
@@ -1,5 +1,6 @@
 package jpa.metier;
 
 public class Classement {
+    private Question question;
 
 }
diff --git a/src/main/java/jpa/metier/Question.java b/src/main/java/jpa/metier/Question.java
index fffeaa9..fe0b728 100644
--- a/src/main/java/jpa/metier/Question.java
+++ b/src/main/java/jpa/metier/Question.java
@@ -1,7 +1,32 @@
 package jpa.metier;
 
+import jakarta.persistence.CascadeType;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
+import jakarta.persistence.OneToMany;
+
+import java.util.List;
+
 public class Question {
 
+    private int id;
+    private List<Reponse> reponseList;
 
+    @Id
+    @GeneratedValue
+    public int getId() {
+        return id;
+    }
+    public void setId(int id) {
+        this.id = id;
+    }
 
+    @OneToMany(mappedBy ="reponse", cascade = CascadeType.DETACH)
+    public List<Reponse> getReponseList() {
+        return reponseList;
+    }
+
+    public void setReponseList(List<Reponse> reponseList) {
+        this.reponseList = reponseList;
+    }
 }
diff --git a/src/main/java/jpa/metier/Utilisateur.java b/src/main/java/jpa/metier/Utilisateur.java
new file mode 100644
index 0000000..41f3897
--- /dev/null
+++ b/src/main/java/jpa/metier/Utilisateur.java
@@ -0,0 +1,33 @@
+package jpa.metier;
+
+import jakarta.persistence.*;
+
+@Entity
+public class Utilisateur{
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private long id;
+    private String name;
+    @ManyToMany
+    private Session session;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Session getSession() {
+        return session;
+    }
+}
\ No newline at end of file