diff --git a/pf4j/src/main/java/org/pf4j/ClassLoadingStrategy.java b/pf4j/src/main/java/org/pf4j/ClassLoadingStrategy.java
index 5a261cc..6b7f6fe 100644
--- a/pf4j/src/main/java/org/pf4j/ClassLoadingStrategy.java
+++ b/pf4j/src/main/java/org/pf4j/ClassLoadingStrategy.java
@@ -20,38 +20,44 @@ import java.util.List;
 
 /**
  * {@link ClassLoadingStrategy} will be used to configure {@link PluginClassLoader} loading order
- * and contains all possible options supported by {@link PluginClassLoader} where
- * A=Application Source ( load classes from parent classLoader)
- * P=Plugin Source ( load classes from this classloader)
- * D=Dependencies ( load classes from dependencies)
+ * and contains all possible options supported by {@link PluginClassLoader} where:
+ * {@code
+ * A = Application Source (load classes from parent classLoader)
+ * P = Plugin Source (load classes from this classloader)
+ * D = Dependencies (load classes from dependencies)
+ * }
  */
 public class ClassLoadingStrategy {
 
     /**
-     * application(parent)->plugin->dependencies
+     * application(parent) -> plugin -> dependencies
      */
     public static final ClassLoadingStrategy APD = new ClassLoadingStrategy(Arrays.asList(Source.APPLICATION, Source.PLUGIN, Source.DEPENDENCIES));
+
     /**
-     * application(parent)->dependencies->plugin
+     * application(parent) -> dependencies -> plugin
      */
-    public static final ClassLoadingStrategy ADP=new ClassLoadingStrategy(Arrays.asList(Source.APPLICATION,Source.DEPENDENCIES,Source.APPLICATION));
+    public static final ClassLoadingStrategy ADP = new ClassLoadingStrategy(Arrays.asList(Source.APPLICATION, Source.DEPENDENCIES, Source.APPLICATION));
+
     /**
-     * plugin->application(parent)->dependencies
+     * plugin -> application(parent) -> dependencies
      */
-    public static final ClassLoadingStrategy PAD=new ClassLoadingStrategy(Arrays.asList(Source.PLUGIN,Source.APPLICATION,Source.DEPENDENCIES));
+    public static final ClassLoadingStrategy PAD = new ClassLoadingStrategy(Arrays.asList(Source.PLUGIN, Source.APPLICATION, Source.DEPENDENCIES));
+
     /**
-     * dependencies->application(parent)->plugin
+     * dependencies -> application(parent) -> plugin
      */
-    public static final ClassLoadingStrategy DAP=new ClassLoadingStrategy(Arrays.asList(Source.DEPENDENCIES,Source.APPLICATION,Source.PLUGIN));
+    public static final ClassLoadingStrategy DAP = new ClassLoadingStrategy(Arrays.asList(Source.DEPENDENCIES, Source.APPLICATION, Source.PLUGIN));
+
     /**
-     * dependencies->plugin->application(parent)
+     * dependencies -> plugin -> application(parent)
      */
-    public static final ClassLoadingStrategy DPA=new ClassLoadingStrategy(Arrays.asList(Source.DEPENDENCIES,Source.PLUGIN,Source.APPLICATION));
+    public static final ClassLoadingStrategy DPA = new ClassLoadingStrategy(Arrays.asList(Source.DEPENDENCIES, Source.PLUGIN, Source.APPLICATION));
+
     /**
-     * plugin->dependencies->application(parent)
+     * plugin -> dependencies -> application(parent)
      */
-    public static final ClassLoadingStrategy PDA =new ClassLoadingStrategy(Arrays.asList(Source.PLUGIN, Source.DEPENDENCIES, Source.APPLICATION));
-
+    public static final ClassLoadingStrategy PDA = new ClassLoadingStrategy(Arrays.asList(Source.PLUGIN, Source.DEPENDENCIES, Source.APPLICATION));
 
     private final List<Source> sources;
 
@@ -64,6 +70,7 @@ public class ClassLoadingStrategy {
     }
 
     public enum Source {
-        PLUGIN, APPLICATION,DEPENDENCIES;
+        PLUGIN, APPLICATION, DEPENDENCIES;
     }
+
 }
diff --git a/pf4j/src/main/java/org/pf4j/PluginClassLoader.java b/pf4j/src/main/java/org/pf4j/PluginClassLoader.java
index f1faf00..4dbcb6a 100644
--- a/pf4j/src/main/java/org/pf4j/PluginClassLoader.java
+++ b/pf4j/src/main/java/org/pf4j/PluginClassLoader.java
@@ -62,7 +62,6 @@ public class PluginClassLoader extends URLClassLoader {
         this(pluginManager, pluginDescriptor, parent, parentFirst ? ClassLoadingStrategy.APD : ClassLoadingStrategy.PDA);
     }
 
-
     /**
      * classloading according to {@code classLoadingStrategy}
      */
@@ -117,6 +116,7 @@ public class PluginClassLoader extends URLClassLoader {
                 log.trace("Found loaded class '{}'", className);
                 return loadedClass;
             }
+
             for (ClassLoadingStrategy.Source classLoadingSource : classLoadingStrategy.getSources()) {
                 Class<?> c = null;
                 try {
@@ -131,17 +131,16 @@ public class PluginClassLoader extends URLClassLoader {
                             c = loadClassFromDependencies(className);
                             break;
                     }
-                } catch (ClassNotFoundException ignored) {
+                } catch (ClassNotFoundException ignored) {}
 
-                }
                 if (c != null) {
-                    log.trace("Found class '{}' in {} classpath", className,classLoadingSource);
+                    log.trace("Found class '{}' in {} classpath", className, classLoadingSource);
                     return c;
                 } else {
-                    log.trace("Couldn't find class '{}' in {} classpath", className,classLoadingSource);
+                    log.trace("Couldn't find class '{}' in {} classpath", className, classLoadingSource);
                 }
-
             }
+
             throw new ClassNotFoundException(className);
         }
     }
@@ -170,15 +169,16 @@ public class PluginClassLoader extends URLClassLoader {
                     url = findResourceFromDependencies(name);
                     break;
             }
+
             if (url != null) {
-                log.trace("Found resource '{}' in {} classpath", name,classLoadingSource);
+                log.trace("Found resource '{}' in {} classpath", name, classLoadingSource);
                 return url;
             } else {
-                log.trace("Couldn't find resource '{}' in {}.", name,classLoadingSource);
+                log.trace("Couldn't find resource '{}' in {}", name, classLoadingSource);
             }
         }
-        return null;
 
+        return null;
     }
 
     @Override
@@ -201,8 +201,8 @@ public class PluginClassLoader extends URLClassLoader {
                     break;
             }
         }
-        return Collections.enumeration(resources);
 
+        return Collections.enumeration(resources);
     }
 
     protected Class<?> loadClassFromDependencies(String className) {