src/share/classes/java/util/Objects.java

*** 1,7 ****
  /*
!  * Copyright (c) 2009, 2013, 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
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ----
  /*
!  * Copyright (c) 2009, 2011, 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
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 23,34 ****
   * questions.
   */
  
  package java.util;
  
- import java.util.function.Supplier;
- 
  /**
   * This class consists of {@code static} utility methods for operating
   * on objects.  These utilities include {@code null}-safe or {@code
   * null}-tolerant methods for computing the hash code of an object,
   * returning a string for an object, and comparing two objects.
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*** 226,257 ****
      public static <T> T requireNonNull(T obj, String message) {
          if (obj == null)
              throw new NullPointerException(message);
          return obj;
      }
- 
-     /**
-      * Checks that the specified object reference is not {@code null} and
-      * throws a customized {@link NullPointerException} if it is.
-      *
-      * <p>Unlike the method {@link requireNonNull(Object, String},
-      * this method allows creation of the message to be deferred until
-      * after the null check is made. While this may confer a
-      * performance advantage in the non-null case, when deciding to
-      * call this method care should be taken that the costs of
-      * creating the message supplier are less than the cost of just
-      * creating the string message directly.
-      *
-      * @param obj     the object reference to check for nullity
-      * @param messageSupplier supplier of the detail message to be
-      * used in the event that a {@code NullPointerException} is thrown
-      * @param <T> the type of the reference
-      * @return {@code obj} if not {@code null}
-      * @throws NullPointerException if {@code obj} is {@code null}
-      * @since 1.8
-      */
-     public static <T> T requireNonNull(T obj, Supplier<String> messageSupplier) {
-         if (obj == null)
-             throw new NullPointerException(messageSupplier.get());
-         return obj;
-     }
  }
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