diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 000000000..e473a031c
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.java linguist-language=java
\ No newline at end of file
diff --git a/nsfw/src/main/java/com/zwy/nsfw/Classifier.java b/nsfw/src/main/java/com/zwy/nsfw/Classifier.java
index d14312f72..a23d94af4 100644
--- a/nsfw/src/main/java/com/zwy/nsfw/Classifier.java
+++ b/nsfw/src/main/java/com/zwy/nsfw/Classifier.java
@@ -152,8 +152,7 @@ private void convertBitmapToByteBuffer(Bitmap bitmap_) {
         bitmap_.getPixels(intValues, 0, INPUT_WIDTH, h_off, w_off, INPUT_WIDTH, INPUT_HEIGHT);
         // Convert the image to floating point.
         long startTime = SystemClock.uptimeMillis();
-        for (int i = 0; i < intValues.length; i++) {
-            final int color = intValues[i];
+        for (final int color : intValues) {
             int r1 = Color.red(color);
             int g1 = Color.green(color);
             int b1 = Color.blue(color);