src/java.base/share/classes/java/io/BufferedReader.java

*** 69,79 ****
  
  public class BufferedReader extends Reader {
  
      private Reader in;
  
!     private char cb[];
      private int nChars, nextChar;
  
      private static final int INVALIDATED = -2;
      private static final int UNMARKED = -1;
      private int markedChar = UNMARKED;
--- 69,79 ----
  
  public class BufferedReader extends Reader {
  
      private Reader in;
  
!     private char[] cb;
      private int nChars, nextChar;
  
      private static final int INVALIDATED = -2;
      private static final int UNMARKED = -1;
      private int markedChar = UNMARKED;
*** 144,154 ****
                      System.arraycopy(cb, markedChar, cb, 0, delta);
                      markedChar = 0;
                      dst = delta;
                  } else {
                      /* Reallocate buffer to accommodate read-ahead limit */
!                     char ncb[] = new char[readAheadLimit];
                      System.arraycopy(cb, markedChar, ncb, 0, delta);
                      cb = ncb;
                      markedChar = 0;
                      dst = delta;
                  }
--- 144,154 ----
                      System.arraycopy(cb, markedChar, cb, 0, delta);
                      markedChar = 0;
                      dst = delta;
                  } else {
                      /* Reallocate buffer to accommodate read-ahead limit */
!                     char[] ncb = new char[readAheadLimit];
                      System.arraycopy(cb, markedChar, ncb, 0, delta);
                      cb = ncb;
                      markedChar = 0;
                      dst = delta;
                  }
*** 272,282 ****
       *             stream has been reached
       *
       * @exception  IOException  If an I/O error occurs
       * @exception  IndexOutOfBoundsException {@inheritDoc}
       */
!     public int read(char cbuf[], int off, int len) throws IOException {
          synchronized (lock) {
              ensureOpen();
              if ((off < 0) || (off > cbuf.length) || (len < 0) ||
                  ((off + len) > cbuf.length) || ((off + len) < 0)) {
                  throw new IndexOutOfBoundsException();
--- 272,282 ----
       *             stream has been reached
       *
       * @exception  IOException  If an I/O error occurs
       * @exception  IndexOutOfBoundsException {@inheritDoc}
       */
!     public int read(char[] cbuf, int off, int len) throws IOException {
          synchronized (lock) {
              ensureOpen();
              if ((off < 0) || (off > cbuf.length) || (len < 0) ||
                  ((off + len) > cbuf.length) || ((off + len) < 0)) {
                  throw new IndexOutOfBoundsException();