1 files changed, 20 insertions, 19 deletions

diff --git a/JPratt/src/main/java/bjc/pratt/TokenStream.java b/JPratt/src/main/java/bjc/pratt/TokenStream.java
index e377352..7390e5f 100644
--- a/JPratt/src/main/java/bjc/pratt/TokenStream.java
+++ b/JPratt/src/main/java/bjc/pratt/TokenStream.java
@@ -1,27 +1,28 @@
 package bjc.pratt;
 
-import bjc.utils.funcutils.StringUtils;
-import bjc.utils.parserutils.ParserException;
 import java.util.Arrays;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.Set;
 
+import bjc.utils.funcutils.StringUtils;
+import bjc.utils.parserutils.ParserException;
+
 /**
  * A stream of tokens.
- * 
+ *
  * @author EVE
  *
  * @param <K>
  *                The key type of the token.
- * 
+ *
  * @param <V>
  *                The value type of the token.
  */
 public abstract class TokenStream<K, V> implements Iterator<Token<K, V>> {
 	/**
 	 * The exception thrown when an expectation fails.
-	 * 
+	 *
 	 * @author EVE
 	 *
 	 */
@@ -30,18 +31,18 @@ public abstract class TokenStream<K, V> implements Iterator<Token<K, V>> {
 
 		/**
 		 * Create a new exception with the specified message.
-		 * 
+		 *
 		 * @param msg
 		 *                The message of the exception.
 		 */
-		public ExpectationException(String msg) {
+		public ExpectationException(final String msg) {
 			super(msg);
 		}
 	}
 
 	/**
 	 * Get the current token.
-	 * 
+	 *
 	 * @return The current token.
 	 */
 	public abstract Token<K, V> current();
@@ -55,18 +56,18 @@ public abstract class TokenStream<K, V> implements Iterator<Token<K, V>> {
 	/**
 	 * Utility method for checking that the next token is one of a specific
 	 * set of types, and then consuming it.
-	 * 
+	 *
 	 * @param expectedKeys
 	 *                The expected values
-	 * 
+	 *
 	 * @throws ExpectationException
 	 *                 If the token is not one of the expected types.
 	 */
-	public void expect(Set<K> expectedKeys) throws ExpectationException {
-		K curKey = current().getKey();
+	public void expect(final Set<K> expectedKeys) throws ExpectationException {
+		final K curKey = current().getKey();
 
 		if (!expectedKeys.contains(curKey)) {
-			String expectedList = StringUtils.toEnglishList(expectedKeys.toArray(), false);
+			final String expectedList = StringUtils.toEnglishList(expectedKeys.toArray(), false);
 
 			throw new ExpectationException("One of '" + expectedList + "' was expected, not " + curKey);
 		}
@@ -77,27 +78,27 @@ public abstract class TokenStream<K, V> implements Iterator<Token<K, V>> {
 	/**
 	 * Utility method for checking that the next token is one of a specific
 	 * set of types, and then consuming it.
-	 * 
+	 *
 	 * @param expectedKeys
 	 *                The expected values
-	 * 
+	 *
 	 * @throws ExpectationException
 	 *                 If the token is not one of the expected types.
 	 */
 	@SafeVarargs
-	public final void expect(K... expectedKeys) throws ExpectationException {
+	public final void expect(final K... expectedKeys) throws ExpectationException {
 		expect(new HashSet<>(Arrays.asList(expectedKeys)));
 	}
 
 	/**
 	 * Check whether the head token is a certain type.
-	 * 
+	 *
 	 * @param val
 	 *                The type to check for.
-	 * 
+	 *
 	 * @return Whether or not the head token is of that type.
 	 */
-	public boolean headIs(K val) {
+	public boolean headIs(final K val) {
 		return current().getKey().equals(val);
 	}
 }