1 files changed, 10 insertions, 10 deletions
diff --git a/JPratt/src/main/java/bjc/pratt/commands/GroupingCommand.java b/JPratt/src/main/java/bjc/pratt/commands/GroupingCommand.java
index 1a8d3c8..f4288d0 100644
--- a/JPratt/src/main/java/bjc/pratt/commands/GroupingCommand.java
+++ b/JPratt/src/main/java/bjc/pratt/commands/GroupingCommand.java
@@ -9,42 +9,42 @@ import bjc.utils.parserutils.ParserException;
 
 /**
  * A grouping operator.
- * 
+ *
  * @author bjculkin
  *
  * @param <K>
  *                The key type of the tokens.
- * 
+ *
  * @param <V>
  *                The value type of the tokens.
- * 
+ *
  * @param <C>
  *                The state type of the parser.
  */
 public class GroupingCommand<K, V, C> extends AbstractInitialCommand<K, V, C> {
-	private ParseBlock<K, V, C> innerBlock;
+	private final ParseBlock<K, V, C> innerBlock;
 
-	private Token<K, V> mark;
+	private final Token<K, V> mark;
 
 	/**
 	 * Create a new grouping command.
-	 * 
+	 *
 	 * @param inner
 	 *                The inner block.
-	 * 
+	 *
 	 * @param marker
 	 *                The token to use as the node in the AST.
 	 */
-	public GroupingCommand(ParseBlock<K, V, C> inner, Token<K, V> marker) {
+	public GroupingCommand(final ParseBlock<K, V, C> inner, final Token<K, V> marker) {
 		innerBlock = inner;
 
 		mark = marker;
 	}
 
 	@Override
-	protected ITree<Token<K, V>> intNullDenotation(Token<K, V> operator, ParserContext<K, V, C> ctx)
+	protected ITree<Token<K, V>> intNullDenotation(final Token<K, V> operator, final ParserContext<K, V, C> ctx)
 			throws ParserException {
-		ITree<Token<K, V>> opr = innerBlock.parse(ctx);
+		final ITree<Token<K, V>> opr = innerBlock.parse(ctx);
 
 		return new Tree<>(mark, opr);
 	}