Fix Format

mapstruct/src/main/java/com/baeldung/dto/CustomerDto.java

@@ -0,0 +1,25 @@
+package com.baeldung.dto;
+
+public class CustomerDto {
+
+    private String forename;
+    private String surname;
+
+    public String getForename() {
+        return forename;
+    }
+
+    public CustomerDto setForename(String forename) {
+        this.forename = forename;
+        return this;
+    }
+
+    public String getSurname() {
+        return surname;
+    }
+
+    public CustomerDto setSurname(String surname) {
+        this.surname = surname;
+        return this;
+    }
+}