corrections

src/main/java/fr/istic/taa/jaxrs/metier/Question.java

@@ -17,7 +17,7 @@ public class Question implements Serializable {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private int id;
-    private String question;
+    private String enonce;
 
     @OneToOne(cascade = CascadeType.ALL)
     @JoinColumn(name ="bonne_reponse", referencedColumnName = "id")

src/main/java/fr/istic/taa/jaxrs/metier/Quizz.java

@@ -20,12 +20,12 @@ public class Quizz implements Serializable {
     @GeneratedValue
     private int id;
 
-    @ManyToOne
-    private Session session;
+    @ManyToMany
+    private List<Session> sessions;
 
     @ManyToOne
     @JoinColumn(name="id_utilisateur")
-    private Utilisateur utilisateur;
+    private Utilisateur createur;
 
     @OneToMany(mappedBy = "quizz")
     private List<Question> questions=new ArrayList<Question>();

src/main/java/fr/istic/taa/jaxrs/metier/Session.java

@@ -23,10 +23,10 @@ public class Session implements Serializable {
     @Column(unique=true)
     private int codePIN;
 
-    @OneToMany(mappedBy="session", fetch = FetchType.EAGER)
+    @ManyToMany(mappedBy="sessions", fetch = FetchType.EAGER)
     private List<Quizz> quizzs = new ArrayList<>();
 
-    @ManyToMany(mappedBy = "session", fetch = FetchType.EAGER)
+    @ManyToMany(mappedBy = "sessions", fetch = FetchType.EAGER)
     private List<Utilisateur> utilisateurs = new ArrayList<>();
     private String theme;
 }

src/main/java/fr/istic/taa/jaxrs/metier/Utilisateur.java

@@ -28,8 +28,8 @@ public class Utilisateur implements Serializable {
             joinColumns = @JoinColumn(name="utilisateur_id"),
             inverseJoinColumns = @JoinColumn(name = "session_id")
     )
-    private List<Session> session= new ArrayList<>();;
+    private List<Session> sessions= new ArrayList<>();;
 
-    @OneToMany(mappedBy = "utilisateur")
+    @OneToMany(mappedBy = "createur")
     private List<Quizz> quizzs;
 }