Formatted all files to the same standard

double-checked-locking/src/main/java/com/iluwatar/App.java

@@ -4,7 +4,7 @@ import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
 /**
- *
+ * 
  * In Inventory we store the items with a given size. However, we do not store
  * more items than the inventory size. To address concurrent access problems we
  * use double checked locking to add item to inventory. In this method, the
@@ -12,16 +12,17 @@ import java.util.concurrent.Executors;
  */
 public class App {
 
-    public static void main(String[] args) {
-        final Inventory inventory = new Inventory(1000);
-        ExecutorService executorService = Executors.newFixedThreadPool(3);
-        for (int i = 0; i < 3; i++) {
-            executorService.execute(new Runnable() {
-                @Override
-                public void run() {
-                    while (inventory.addItem(new Item()));
-                }
-            });
-        }
-    }
+	public static void main(String[] args) {
+		final Inventory inventory = new Inventory(1000);
+		ExecutorService executorService = Executors.newFixedThreadPool(3);
+		for (int i = 0; i < 3; i++) {
+			executorService.execute(new Runnable() {
+				@Override
+				public void run() {
+					while (inventory.addItem(new Item()))
+						;
+				}
+			});
+		}
+	}
 }

double-checked-locking/src/main/java/com/iluwatar/Inventory.java

@@ -5,9 +5,8 @@ import java.util.List;
 import java.util.concurrent.locks.Lock;
 import java.util.concurrent.locks.ReentrantLock;
 
-
 public class Inventory {
-	
+
 	private int inventorySize;
 	private List<Item> items;
 	private Lock lock = new ReentrantLock();
@@ -16,17 +15,17 @@ public class Inventory {
 		this.inventorySize = inventorySize;
 		this.items = new ArrayList<Item>(inventorySize);
 	}
-	
-	public boolean addItem(Item item){
-		if(items.size()<inventorySize){
+
+	public boolean addItem(Item item) {
+		if (items.size() < inventorySize) {
 			lock.lock();
-			try{
-				if(items.size()<inventorySize){
+			try {
+				if (items.size() < inventorySize) {
 					items.add(item);
 					System.out.println(Thread.currentThread());
 					return true;
 				}
-			}finally{
+			} finally {
 				lock.unlock();
 			}
 		}