Use for-each.

Author: garydgregory

src/main/java/org/apache/commons/codec/binary/Base64.java

@@ -358,8 +358,8 @@ public static boolean isBase64(final byte octet) {
      * @since 1.5
      */
     public static boolean isBase64(final byte[] arrayOctet) {
-        for (int i = 0; i < arrayOctet.length; i++) {
-            if (!isBase64(arrayOctet[i]) && !isWhiteSpace(arrayOctet[i])) {
+        for (byte element : arrayOctet) {
+            if (!isBase64(element) && !isWhiteSpace(element)) {
                 return false;
             }
         }