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();
 
-    }
+	}
 }

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

@@ -6,7 +6,8 @@ public class Hobbits implements WeatherObserver {
 	public void update(WeatherType currentWeather) {
 		switch (currentWeather) {
 		case COLD:
-			System.out.println("The hobbits are shivering in the cold weather.");
+			System.out
+					.println("The hobbits are shivering in the cold weather.");
 			break;
 		case RAINY:
 			System.out.println("The hobbits look for cover from the rain.");
@@ -15,7 +16,8 @@ public class Hobbits implements WeatherObserver {
 			System.out.println("The happy hobbits bade in the warm sun.");
 			break;
 		case WINDY:
-			System.out.println("The hobbits hold their hats tightly in the windy weather.");
+			System.out
+					.println("The hobbits hold their hats tightly in the windy weather.");
 			break;
 		default:
 			break;

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

@@ -5,28 +5,28 @@ import java.util.List;
 
 /**
  * 
- * Weather can be observed by implementing WeatherObserver
- * interface and registering as listener.
- *
+ * Weather can be observed by implementing WeatherObserver interface and
+ * registering as listener.
+ * 
  */
 public class Weather {
 
 	private WeatherType currentWeather;
 	private List<WeatherObserver> observers;
-	
+
 	public Weather() {
 		observers = new ArrayList<>();
 		currentWeather = WeatherType.SUNNY;
 	}
-	
+
 	public void addObserver(WeatherObserver obs) {
 		observers.add(obs);
 	}
-	
+
 	public void removeObserver(WeatherObserver obs) {
 		observers.remove(obs);
 	}
-	
+
 	public void timePasses() {
 		switch (currentWeather) {
 		case COLD:
@@ -47,9 +47,9 @@ public class Weather {
 		System.out.println("The weather now changes to " + currentWeather);
 		notifyObservers();
 	}
-	
+
 	private void notifyObservers() {
-		for (WeatherObserver obs: observers) {
+		for (WeatherObserver obs : observers) {
 			obs.update(currentWeather);
 		}
 	}

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

@@ -3,10 +3,10 @@ package com.iluwatar;
 /**
  * 
  * Observer interface.
- *
+ * 
  */
 public interface WeatherObserver {
 
 	void update(WeatherType currentWeather);
-	
+
 }

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

@@ -2,13 +2,10 @@ package com.iluwatar;
 
 public enum WeatherType {
 
-	SUNNY,
-	RAINY,
-	WINDY,
-	COLD;
-	
+	SUNNY, RAINY, WINDY, COLD;
+
 	public String toString() {
 		return this.name().toLowerCase();
 	};
-	
+
 }