BAEL-6830 (#14742)

* BAEL-6830 example changed based on editor review comments

* BAEL-6830 example changed based on editor review comments

* BAEL-6830 example changed based on editor review comments

testing-modules/mockito-2/src/main/java/com/baeldung/constructor/PaymentProcessor.java

@@ -0,0 +1,22 @@
+package com.baeldung.constructor;
+
+public class PaymentProcessor {
+
+    private final PaymentService paymentService;
+
+    public PaymentProcessor(PaymentService paymentService) {
+        this.paymentService = paymentService;
+    }
+
+    public PaymentProcessor() {
+        this.paymentService = new PaymentService();
+    }
+
+    public PaymentProcessor(String paymentMode) {
+        this.paymentService = new PaymentService(paymentMode);
+    }
+
+    public String processPayment(){
+        return paymentService.processPayment();
+    }
+}

testing-modules/mockito-2/src/main/java/com/baeldung/constructor/PaymentService.java

@@ -0,0 +1,19 @@
+package com.baeldung.constructor;
+
+public class PaymentService {
+
+    private final String paymentMode;
+
+    public PaymentService(String paymentMode) {
+        this.paymentMode = paymentMode;
+    }
+
+    public PaymentService() {
+        this.paymentMode = "Cash";
+    }
+
+    public String processPayment(){
+        // simulate processing payment and returns the payment mode
+        return this.paymentMode;
+    }
+}

testing-modules/mockito-2/src/main/java/com/baeldung/constructor/User.java

@@ -1,18 +0,0 @@
-package com.baeldung.constructor;
-
-public class User {
-
-    private final UserService userService;
-
-    public User() {
-        this.userService = new UserService();
-    }
-
-    public User(String userName) {
-        this.userService = new UserService(userName);
-    }
-
-    public String getUserName(){
-        return userService.getUserName();
-    }
-}

testing-modules/mockito-2/src/main/java/com/baeldung/constructor/UserService.java

@@ -1,18 +0,0 @@
-package com.baeldung.constructor;
-
-public class UserService {
-
-    private final String userName;
-
-    public UserService(String userName) {
-        this.userName = userName;
-    }
-
-    public UserService() {
-        this.userName = "Unknown";
-    }
-
-    public String getUserName(){
-        return this.userName;
-    }
-}