diff --git a/src/pp.11.01-FindWords/src/main/java/pp/Main.java b/src/pp.11.01-FindWords/src/main/java/pp/Main.java
index f25ba7b..05cc7f4 100644
--- a/src/pp.11.01-FindWords/src/main/java/pp/Main.java
+++ b/src/pp.11.01-FindWords/src/main/java/pp/Main.java
@@ -1,20 +1,23 @@
 package pp;
 
-import java.util.Arrays;
-
 import akka.actor.ActorRef;
 import akka.actor.ActorSystem;
 import akka.actor.Props;
+import java.util.Arrays;
 import pp.messages.FindMsg;
 
 public class Main {
 
-  public static void main(String... args) {
-    var system = ActorSystem.create();
-    var master = system.actorOf(Props.create(MasterActor.class));
-    String[] files = { "src/main/resources/test1.txt", "src/main/resources/test2.txt", "src/main/resources/test3.txt", "src/main/resources/test4.txt" };
-    var msg = new FindMsg(Arrays.asList(files), "Erlang");
-    master.tell(msg, ActorRef.noSender());
-  }
-
+    public static void main(String... args) {
+        var system = ActorSystem.create();
+        var master = system.actorOf(Props.create(MasterActor.class));
+        String[] files = {
+            "src/main/resources/test1.txt",
+            "src/main/resources/test2.txt",
+            "src/main/resources/test3.txt",
+            "src/main/resources/test4.txt",
+        };
+        var msg = new FindMsg(Arrays.asList(files), "Erlang");
+        master.tell(msg, ActorRef.noSender());
+    }
 }
diff --git a/src/pp.11.01-FindWords_solution/src/main/java/pp/Main.java b/src/pp.11.01-FindWords_solution/src/main/java/pp/Main.java
index 2275ad7..05cc7f4 100644
--- a/src/pp.11.01-FindWords_solution/src/main/java/pp/Main.java
+++ b/src/pp.11.01-FindWords_solution/src/main/java/pp/Main.java
@@ -1,20 +1,23 @@
-package pp;
-
-import java.util.Arrays;
-
-import akka.actor.ActorRef;
-import akka.actor.ActorSystem;
-import akka.actor.Props;
-import pp.messages.FindMsg;
-
-public class Main {
-
-  public static void main(String... args) {
-    var system = ActorSystem.create();
-    var master = system.actorOf(Props.create(MasterActor.class));
-    String[] files = { "src/main/resources/test1.txt", "src/main/resources/test2.txt", "src/main/resources/test3.txt", "src/main/resources/test4.txt" };
-    var msg = new FindMsg(Arrays.asList(files), "Erlang");
-    master.tell(msg, ActorRef.noSender());
-  }
-
-}
+package pp;
+
+import akka.actor.ActorRef;
+import akka.actor.ActorSystem;
+import akka.actor.Props;
+import java.util.Arrays;
+import pp.messages.FindMsg;
+
+public class Main {
+
+    public static void main(String... args) {
+        var system = ActorSystem.create();
+        var master = system.actorOf(Props.create(MasterActor.class));
+        String[] files = {
+            "src/main/resources/test1.txt",
+            "src/main/resources/test2.txt",
+            "src/main/resources/test3.txt",
+            "src/main/resources/test4.txt",
+        };
+        var msg = new FindMsg(Arrays.asList(files), "Erlang");
+        master.tell(msg, ActorRef.noSender());
+    }
+}
diff --git a/src/pp.11.02-RouterFindWords/src/main/java/pp/Main.java b/src/pp.11.02-RouterFindWords/src/main/java/pp/Main.java
index 9b3ad75..c12b5ea 100644
--- a/src/pp.11.02-RouterFindWords/src/main/java/pp/Main.java
+++ b/src/pp.11.02-RouterFindWords/src/main/java/pp/Main.java
@@ -1,23 +1,27 @@
-package pp;
-
-import java.util.Arrays;
-
-import akka.actor.ActorRef;
-import akka.actor.ActorSystem;
-import akka.actor.Props;
-import pp.messages.FindMsg;
-
-public class Main {
-
-  public static void main(String... args) {
-    var system = ActorSystem.create();
-    var master = system.actorOf(Props.create(MasterActor.class));
-    String[] files = { "src/main/resources/test1.txt", "src/main/resources/test2.txt", "src/main/resources/test3.txt",
-        "src/main/resources/test4.txt",
-        "src/main/resources/test5.txt", "src/main/resources/test6.txt", "src/main/resources/test7.txt",
-        "src/main/resources/test8.txt" };
-    var msg = new FindMsg(Arrays.asList(files), "Erlang");
-    master.tell(msg, ActorRef.noSender());
-  }
-
-}
+package pp;
+
+import akka.actor.ActorRef;
+import akka.actor.ActorSystem;
+import akka.actor.Props;
+import java.util.Arrays;
+import pp.messages.FindMsg;
+
+public class Main {
+
+    public static void main(String... args) {
+        var system = ActorSystem.create();
+        var master = system.actorOf(Props.create(MasterActor.class));
+        String[] files = {
+            "src/main/resources/test1.txt",
+            "src/main/resources/test2.txt",
+            "src/main/resources/test3.txt",
+            "src/main/resources/test4.txt",
+            "src/main/resources/test5.txt",
+            "src/main/resources/test6.txt",
+            "src/main/resources/test7.txt",
+            "src/main/resources/test8.txt",
+        };
+        var msg = new FindMsg(Arrays.asList(files), "Erlang");
+        master.tell(msg, ActorRef.noSender());
+    }
+}
diff --git a/src/pp.11.02-RouterFindWords_solution/src/main/java/pp/Main.java b/src/pp.11.02-RouterFindWords_solution/src/main/java/pp/Main.java
index 9b3ad75..c12b5ea 100644
--- a/src/pp.11.02-RouterFindWords_solution/src/main/java/pp/Main.java
+++ b/src/pp.11.02-RouterFindWords_solution/src/main/java/pp/Main.java
@@ -1,23 +1,27 @@
-package pp;
-
-import java.util.Arrays;
-
-import akka.actor.ActorRef;
-import akka.actor.ActorSystem;
-import akka.actor.Props;
-import pp.messages.FindMsg;
-
-public class Main {
-
-  public static void main(String... args) {
-    var system = ActorSystem.create();
-    var master = system.actorOf(Props.create(MasterActor.class));
-    String[] files = { "src/main/resources/test1.txt", "src/main/resources/test2.txt", "src/main/resources/test3.txt",
-        "src/main/resources/test4.txt",
-        "src/main/resources/test5.txt", "src/main/resources/test6.txt", "src/main/resources/test7.txt",
-        "src/main/resources/test8.txt" };
-    var msg = new FindMsg(Arrays.asList(files), "Erlang");
-    master.tell(msg, ActorRef.noSender());
-  }
-
-}
+package pp;
+
+import akka.actor.ActorRef;
+import akka.actor.ActorSystem;
+import akka.actor.Props;
+import java.util.Arrays;
+import pp.messages.FindMsg;
+
+public class Main {
+
+    public static void main(String... args) {
+        var system = ActorSystem.create();
+        var master = system.actorOf(Props.create(MasterActor.class));
+        String[] files = {
+            "src/main/resources/test1.txt",
+            "src/main/resources/test2.txt",
+            "src/main/resources/test3.txt",
+            "src/main/resources/test4.txt",
+            "src/main/resources/test5.txt",
+            "src/main/resources/test6.txt",
+            "src/main/resources/test7.txt",
+            "src/main/resources/test8.txt",
+        };
+        var msg = new FindMsg(Arrays.asList(files), "Erlang");
+        master.tell(msg, ActorRef.noSender());
+    }
+}