--- old/src/java.base/share/classes/java/io/ByteArrayInputStream.java	2018-03-14 11:34:52.000000000 -0700
+++ new/src/java.base/share/classes/java/io/ByteArrayInputStream.java	2018-03-14 11:34:51.000000000 -0700
@@ -142,6 +142,7 @@
      * @return  the next byte of data, or {@code -1} if the end of the
      *          stream has been reached.
      */
+    @Override
     public synchronized int read() {
         return (pos < count) ? (buf[pos++] & 0xff) : -1;
     }
@@ -175,6 +176,7 @@
      * {@code len} is negative, or {@code len} is greater than
      * {@code b.length - off}
      */
+    @Override
     public synchronized int read(byte b[], int off, int len) {
         Objects.checkFromIndexSize(off, len, b.length);
 
@@ -194,22 +196,25 @@
         return len;
     }
 
+    @Override
     public synchronized byte[] readAllBytes() {
         byte[] result = Arrays.copyOfRange(buf, pos, count);
         pos = count;
         return result;
     }
 
-    public synchronized int readNBytes(byte[] b, int off, int len) {
+    @Override
+    public int readNBytes(byte[] b, int off, int len) {
         int n = read(b, off, len);
         return n == -1 ? 0 : n;
     }
 
+    @Override
     public synchronized long transferTo(OutputStream out) throws IOException {
-        int pos0 = pos;
-        out.write(buf, pos, count - pos);
+        int len = count - pos;
+        out.write(buf, pos, len);
         pos = count;
-        return count - pos0;
+        return len;
     }
 
     /**
@@ -224,6 +229,7 @@
      * @param   n   the number of bytes to be skipped.
      * @return  the actual number of bytes skipped.
      */
+    @Override
     public synchronized long skip(long n) {
         long k = count - pos;
         if (n < k) {
@@ -244,6 +250,7 @@
      * @return  the number of remaining bytes that can be read (or skipped
      *          over) from this input stream without blocking.
      */
+    @Override
     public synchronized int available() {
         return count - pos;
     }
@@ -255,6 +262,7 @@
      *
      * @since   1.1
      */
+    @Override
     public boolean markSupported() {
         return true;
     }
@@ -274,6 +282,7 @@
      *
      * @since   1.1
      */
+    @Override
     public void mark(int readAheadLimit) {
         mark = pos;
     }
@@ -283,6 +292,7 @@
      * is 0 unless another position was marked or an offset was specified
      * in the constructor.
      */
+    @Override
     public synchronized void reset() {
         pos = mark;
     }
@@ -292,6 +302,7 @@
      * this class can be called after the stream has been closed without
      * generating an {@code IOException}.
      */
+    @Override
     public void close() throws IOException {
     }