BAEL-2503

Add a new section in Lombok builder article

lombok/src/main/java/com/baeldung/lombok/builder/RequiredFieldAnnotation.java

@@ -0,0 +1,19 @@
+package com.baeldung.lombok.builder;
+
+import lombok.Builder;
+import lombok.NonNull;
+
+@Builder(builderMethodName = "hiddenBuilder")
+public class RequiredFieldAnnotation {
+    @NonNull
+    private String name;
+    private String description;
+
+    public static RequiredFieldAnnotationBuilder builder(String name) {
+        return hiddenBuilder().name(name);
+    }
+
+    public void example() {
+        RequiredFieldAnnotation.builder("NameField").description("Field Description").build();
+    }
+}

lombok/src/main/java/com/baeldung/lombok/builder/RequiredFieldOverload.java

@@ -0,0 +1,20 @@
+package com.baeldung.lombok.builder;
+
+import lombok.Builder;
+import lombok.NonNull;
+
+@Builder
+public class RequiredFieldOverload {
+    @NonNull
+    private String name;
+    private String description;
+
+    public static RequiredFieldOverloadBuilder builder(String name) {
+        return new RequiredFieldOverloadBuilder().name(name);
+    }
+
+    public void example() {
+        RequiredFieldAnnotation.builder("NameField").description("Field Description").build();
+    }
+
+}