Update examples

persistence/src/main/java/fr/gasser/daoexample/dao/xml/StudentXmlDao.java

@@ -0,0 +1,33 @@
+package fr.gasser.daoexample.dao.xml;
+
+import fr.gasser.daoexample.dao.Dao;
+import fr.gasser.daoexample.model.Student;
+
+import java.util.List;
+
+public class StudentXmlDao implements Dao<Student> {
+    @Override
+    public boolean create(Student obj) {
+        return false;
+    }
+
+    @Override
+    public Student find(int id) {
+        return null;
+    }
+
+    @Override
+    public List<Student> findAll() {
+        return null;
+    }
+
+    @Override
+    public boolean update(Student obj) {
+        return false;
+    }
+
+    @Override
+    public boolean delete(Student obj) {
+        return false;
+    }
+}