Refactoring code in com.baeldung.modelmapper package

java-collections-conversions-2/src/main/java/com/baeldung/modelmapper/UserDTO.java

@@ -8,7 +8,7 @@ package com.baeldung.modelmapper;
 public class UserDTO {
 
     private String userId;
-    private String userName;
+    private String username;
     private String email;
 
     // getters and setters
@@ -21,12 +21,12 @@ public class UserDTO {
         this.userId = userId;
     }
 
-    public String getUserName() {
-        return userName;
+    public String getUsername() {
+        return username;
     }
 
-    public void setUserName(String userName) {
-        this.userName = userName;
+    public void setUsername(String username) {
+        this.username = username;
     }
 
     public String getEmail() {