src/java.base/share/classes/java/nio/StringCharBuffer.java

*** 1,7 ****
  /*
!  * Copyright (c) 2000, 2018, 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) 2000, 2019, 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
*** 23,32 ****
--- 23,33 ----
   * questions.
   */
  
  package java.nio;
  
+ import java.util.Objects;
  
  // ## If the sequence is a string, use reflection to share its array
  
  class StringCharBuffer                                  // package-private
      extends CharBuffer
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--- 50,70 ----
                                      this.remaining(),
                                      this.remaining(),
                                      offset + this.position());
      }
  
+     @Override
+     public CharBuffer slice(int index, int length) {
+         Objects.checkFromIndexSize(index, length, limit());
+         return new StringCharBuffer(str,
+                                     -1,
+                                     0,
+                                     length,
+                                     length,
+                                     offset + index);
+     }
+ 
      private StringCharBuffer(CharSequence s,
                               int mark,
                               int pos,
                               int limit,
                               int cap,