Define clean up steps and clean up code

luaj-jse/src/main/java/lua.java

@@ -11,7 +11,7 @@
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
-* 
+*
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
@@ -65,7 +65,7 @@ public class lua {
 	public static void main(String[] args) throws IOException {
 
 		// process args
-		boolean interactive = (args.length == 0);
+		boolean interactive = args.length == 0;
 		boolean versioninfo = false;
 		boolean processing = true;
 		boolean nodebug = false;