Formatted all files to the same standard

composite/src/main/java/com/iluwatar/LetterComposite.java

@@ -6,7 +6,7 @@ import java.util.List;
 /**
  * 
  * Composite interface.
- *
+ * 
  */
 public abstract class LetterComposite {
 
@@ -15,18 +15,18 @@ public abstract class LetterComposite {
 	public void add(LetterComposite letter) {
 		children.add(letter);
 	}
-	
+
 	public int count() {
 		return children.size();
 	}
-	
+
 	protected abstract void printThisBefore();
 
 	protected abstract void printThisAfter();
-	
+
 	public void print() {
 		printThisBefore();
-		for (LetterComposite letter: children) {
+		for (LetterComposite letter : children) {
 			letter.print();
 		}
 		printThisAfter();