--- old/src/java.base/share/classes/java/io/OutputStream.java	2017-11-20 16:48:05.000000000 -0800
+++ new/src/java.base/share/classes/java/io/OutputStream.java	2017-11-20 16:48:04.000000000 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1994, 2004, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1994, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,6 +25,8 @@
 
 package java.io;
 
+import java.util.Objects;
+
 /**
  * This abstract class is the superclass of all classes representing
  * an output stream of bytes. An output stream accepts output bytes
@@ -104,10 +106,8 @@
      *             stream is closed.
      */
     public void write(byte b[], int off, int len) throws IOException {
-        if (b == null) {
-            throw new NullPointerException();
-        } else if ((off < 0) || (off > b.length) || (len < 0) ||
-                   ((off + len) > b.length) || ((off + len) < 0)) {
+        Objects.requireNonNull(b);
+        if (off < 0 || len < 0 || len > b.length - off) {
             throw new IndexOutOfBoundsException();
         } else if (len == 0) {
             return;