Unnecessary interface modifier

samples/xml/dms/src/main/java/sample/dms/DocumentDao.java

@@ -27,21 +27,21 @@ public interface DocumentDao {
 	 * @param element an unsaved element (the "id" will be updated after method is
 	 * invoked)
 	 */
-	public void create(AbstractElement element);
+	void create(AbstractElement element);
 
 	/**
 	 * Removes a file from the database for the specified element.
 	 *
 	 * @param file the file to remove (cannot be null)
 	 */
-	public void delete(File file);
+	void delete(File file);
 
 	/**
 	 * Modifies a file in the database.
 	 *
 	 * @param file the file to update (cannot be null)
 	 */
-	public void update(File file);
+	void update(File file);
 
 	/**
 	 * Locates elements in the database which appear under the presented directory
@@ -51,5 +51,5 @@ public interface DocumentDao {
 	 * @return zero or more elements in the directory (an empty array may be returned -
 	 * never null)
 	 */
-	public AbstractElement[] findElements(Directory directory);
+	AbstractElement[] findElements(Directory directory);
 }

samples/xml/dms/src/main/java/sample/dms/secured/SecureDocumentDao.java

@@ -27,5 +27,5 @@ public interface SecureDocumentDao extends DocumentDao {
 	/**
 	 * @return all the usernames existing in the system.
 	 */
-	public String[] getUsers();
+	String[] getUsers();
 }