docs: composite entity

composite-entity/src/main/java/com/iluwatar/compositeentity/DependentObject.java

@@ -24,21 +24,18 @@
  */
 package com.iluwatar.compositeentity;
 
+import lombok.Getter;
+import lombok.Setter;
+
 /**
  * It is an object, which can contain other dependent objects (there may be a tree of objects within
  * the composite entity), that depends on the coarse-grained object and has its life cycle managed
  * by the coarse-grained object.
  */
-
+@Setter
+@Getter
 public abstract class DependentObject<T> {
 
   T data;
 
-  public void setData(T message) {
-    this.data = message;
-  }
-
-  public T getData() {
-    return data;
-  }
 }