minor cleanup

spring-data-mongodb/src/main/java/org/baeldung/model/User.java

@@ -15,7 +15,7 @@ public class User {
         return id;
     }
 
-    public void setId(String id) {
+    public void setId(final String id) {
         this.id = id;
     }
 
@@ -23,7 +23,7 @@ public class User {
         return name;
     }
 
-    public void setName(String name) {
+    public void setName(final String name) {
         this.name = name;
     }
 
@@ -31,7 +31,7 @@ public class User {
         return age;
     }
 
-    public void setAge(Integer age) {
+    public void setAge(final Integer age) {
         this.age = age;
     }
 }

spring-data-mongodb/src/main/java/org/baeldung/repository/UserRepository.java

@@ -18,7 +18,7 @@ public class UserRepository {
     @Autowired
     private MongoTemplate mongoTemplate;
 
-    public void insertUser(User user) {
+    public void insertUser(final User user) {
         mongoTemplate.insert(user, "user");
     }
 
@@ -26,42 +26,42 @@ public class UserRepository {
         return mongoTemplate.findAll(User.class, "user");
     }
 
-    public void removeUser(User user) {
+    public void removeUser(final User user) {
         mongoTemplate.remove(user, "user");
     }
 
-    public void saveUser(User user) {
+    public void saveUser(final User user) {
         mongoTemplate.save(user, "user");
     }
 
-    public User findAndModifyUser(String name, String newName) {
-        Query query = new Query();
+    public User findAndModifyUser(final String name, final String newName) {
+        final Query query = new Query();
         query.addCriteria(Criteria.where("name").is(name));
-        Update update = new Update();
+        final Update update = new Update();
         update.set("name", newName);
         return mongoTemplate.findAndModify(query, update, User.class);
     }
 
-    public void updateFirstUser(String name, String newName) {
-        Query query = new Query();
+    public void updateFirstUser(final String name, final String newName) {
+        final Query query = new Query();
         query.addCriteria(Criteria.where("name").is(name));
-        Update update = new Update();
+        final Update update = new Update();
         update.set("name", newName);
         mongoTemplate.updateFirst(query, update, User.class);
     }
 
-    public WriteResult upsertUser(String name, String newName) {
-        Query query = new Query();
+    public WriteResult upsertUser(final String name, final String newName) {
+        final Query query = new Query();
         query.addCriteria(Criteria.where("name").is(name));
-        Update update = new Update();
+        final Update update = new Update();
         update.set("name", newName);
         return mongoTemplate.upsert(query, update, User.class);
     }
 
-    public void updateMultiUser(String name, String newName) {
-        Query query = new Query();
+    public void updateMultiUser(final String name, final String newName) {
+        final Query query = new Query();
         query.addCriteria(Criteria.where("name").is(name));
-        Update update = new Update();
+        final Update update = new Update();
         update.set("name", newName);
         mongoTemplate.updateMulti(query, update, User.class);
     }

spring-data-mongodb/src/test/java/org/baeldung/repository/UserRepositoryIntegrationTest.java

@@ -5,7 +5,6 @@ import static org.junit.Assert.assertThat;
 
 import org.baeldung.config.MongoConfig;
 import org.baeldung.model.User;
-import org.baeldung.repository.UserRepository;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -18,8 +17,9 @@ import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
 @RunWith(SpringJUnit4ClassRunner.class)
-@ContextConfiguration(classes={MongoConfig.class, UserRepository.class})
+@ContextConfiguration(classes = { MongoConfig.class, UserRepository.class })
 public class UserRepositoryIntegrationTest {
+
     @Autowired
     private UserRepository userRepository;
 
@@ -36,9 +36,11 @@ public class UserRepositoryIntegrationTest {
         mongoOps.dropCollection(User.class);
     }
 
+    // tests
+
     @Test
     public void testInsert() {
-        User user = new User();
+        final User user = new User();
         user.setName("Jon");
         userRepository.insertUser(user);
 
@@ -52,7 +54,7 @@ public class UserRepositoryIntegrationTest {
         userRepository.insertUser(user);
 
         user = mongoOps.findOne(Query.query(Criteria.where("name").is("Jack")), User.class);
-        String id = user.getId();
+        final String id = user.getId();
 
         user.setName("Jim");
         userRepository.saveUser(user);
@@ -107,7 +109,7 @@ public class UserRepositoryIntegrationTest {
 
     @Test
     public void testUpsert() {
-        User user = new User();
+        final User user = new User();
         user.setName("Markus");
         mongoOps.insert(user);
 
@@ -119,7 +121,7 @@ public class UserRepositoryIntegrationTest {
 
     @Test
     public void testRemove() {
-        User user = new User();
+        final User user = new User();
         user.setName("Benn");
         mongoOps.insert(user);