Merge branch 'dimas' of https://github.com/lumijiez/ExpenseTrackerFAF into dimas

src/main/java/com/faf223/expensetrackerfaf/service/ExpenseService.java

@@ -10,7 +10,7 @@ import java.util.List;
 @Service
 public class ExpenseService {
 
-    private ExpenseRepository expenseRepository;
+    private final ExpenseRepository expenseRepository;
 
     @Autowired
     public ExpenseService(ExpenseRepository expenseRepository) {

src/main/java/com/faf223/expensetrackerfaf/service/IncomeService.java

@@ -10,7 +10,7 @@ import java.util.List;
 @Service
 public class IncomeService {
 
-    private IncomeRepository incomeRepository;
+    private final IncomeRepository incomeRepository;
 
     @Autowired
     public IncomeService(IncomeRepository incomeRepository) {

src/main/java/com/faf223/expensetrackerfaf/service/UserService.java

@@ -10,7 +10,7 @@ import java.util.List;
 @Service
 public class UserService {
 
-    private UserRepository userRepository;
+    private final UserRepository userRepository;
 
     @Autowired
     public UserService(UserRepository userRepository) {