Formatted all files to the same standard

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

@@ -1,16 +1,16 @@
 package com.iluwatar;
 
 /**
- *
+ * 
  * Facade (DwarvenGoldmineFacade) provides simpler interface to subsystem.
- *
+ * 
  */
 public class App {
 
-    public static void main(String[] args) {
-        DwarvenGoldmineFacade facade = new DwarvenGoldmineFacade();
-        facade.startNewDay();
-        facade.digOutGold();
-        facade.endDay();
-    }
+	public static void main(String[] args) {
+		DwarvenGoldmineFacade facade = new DwarvenGoldmineFacade();
+		facade.startNewDay();
+		facade.digOutGold();
+		facade.endDay();
+	}
 }

facade/src/main/java/com/iluwatar/DwarvenGoldmineFacade.java

@@ -6,32 +6,32 @@ import java.util.List;
 public class DwarvenGoldmineFacade {
 
 	List<DwarvenMineWorker> workers;
-	
+
 	public DwarvenGoldmineFacade() {
 		workers = new ArrayList<>();
 		workers.add(new DwarvenGoldDigger());
 		workers.add(new DwarvenCartOperator());
 		workers.add(new DwarvenTunnelDigger());
 	}
-	
+
 	public void startNewDay() {
-		for (DwarvenMineWorker worker: workers) {
+		for (DwarvenMineWorker worker : workers) {
 			worker.wakeUp();
 			worker.goToMine();
 		}
 	}
-	
+
 	public void digOutGold() {
-		for (DwarvenMineWorker worker: workers) {
+		for (DwarvenMineWorker worker : workers) {
 			worker.work();
 		}
 	}
-	
+
 	public void endDay() {
-		for (DwarvenMineWorker worker: workers) {
+		for (DwarvenMineWorker worker : workers) {
 			worker.goHome();
 			worker.goToSleep();
 		}
 	}
-	
+
 }

facade/src/main/java/com/iluwatar/DwarvenMineWorker.java

@@ -5,21 +5,21 @@ public abstract class DwarvenMineWorker {
 	public void goToSleep() {
 		System.out.println(name() + " goes to sleep.");
 	}
-	
+
 	public void wakeUp() {
 		System.out.println(name() + " wakes up.");
 	}
-	
+
 	public void goHome() {
 		System.out.println(name() + " goes home.");
 	}
-	
+
 	public void goToMine() {
 		System.out.println(name() + " goes to the mine.");
 	}
-	
+
 	public abstract void work();
-	
+
 	public abstract String name();
-	
+
 }