Formatted all files to the same standard

observer/src/main/java/com/iluwatar/App.java

@@ -1,23 +1,23 @@
 package com.iluwatar;
 
 /**
- *
+ * 
  * Observer pattern defines one-to-many relationship between objects. The target
  * object sends change notifications to its registered observers.
- *
+ * 
  */
 public class App {
 
-    public static void main(String[] args) {
+	public static void main(String[] args) {
 
-        Weather weather = new Weather();
-        weather.addObserver(new Orcs());
-        weather.addObserver(new Hobbits());
+		Weather weather = new Weather();
+		weather.addObserver(new Orcs());
+		weather.addObserver(new Hobbits());
 
-        weather.timePasses();
-        weather.timePasses();
-        weather.timePasses();
-        weather.timePasses();
+		weather.timePasses();
+		weather.timePasses();
+		weather.timePasses();
+		weather.timePasses();
 
-    }
+	}
 }