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

*** 51,61 ****
      private static final int DEFAULT_PIPE_SIZE = 1024;
  
      /**
       * The circular buffer into which incoming data is placed.
       */
!     char buffer[];
  
      /**
       * The index of the position in the circular buffer at which the
       * next character of data will be stored when received from the connected
       * piped writer. <code>in&lt;0</code> implies the buffer is empty,
--- 51,61 ----
      private static final int DEFAULT_PIPE_SIZE = 1024;
  
      /**
       * The circular buffer into which incoming data is placed.
       */
!     char[] buffer;
  
      /**
       * The index of the position in the circular buffer at which the
       * next character of data will be stored when received from the connected
       * piped writer. <code>in&lt;0</code> implies the buffer is empty,
*** 199,209 ****
  
      /**
       * Receives data into an array of characters.  This method will
       * block until some input is available.
       */
!     synchronized void receive(char c[], int off, int len)  throws IOException {
          while (--len >= 0) {
              receive(c[off++]);
          }
      }
  
--- 199,209 ----
  
      /**
       * Receives data into an array of characters.  This method will
       * block until some input is available.
       */
!     synchronized void receive(char[] c, int off, int len)  throws IOException {
          while (--len >= 0) {
              receive(c[off++]);
          }
      }
  
*** 286,296 ****
       *                  <a href=PipedInputStream.html#BROKEN> <code>broken</code></a>,
       *                  {@link #connect(java.io.PipedWriter) unconnected}, closed,
       *                  or an I/O error occurs.
       * @exception  IndexOutOfBoundsException {@inheritDoc}
       */
!     public synchronized int read(char cbuf[], int off, int len)  throws IOException {
          if (!connected) {
              throw new IOException("Pipe not connected");
          } else if (closedByReader) {
              throw new IOException("Pipe closed");
          } else if (writeSide != null && !writeSide.isAlive()
--- 286,296 ----
       *                  <a href=PipedInputStream.html#BROKEN> <code>broken</code></a>,
       *                  {@link #connect(java.io.PipedWriter) unconnected}, closed,
       *                  or an I/O error occurs.
       * @exception  IndexOutOfBoundsException {@inheritDoc}
       */
!     public synchronized int read(char[] cbuf, int off, int len)  throws IOException {
          if (!connected) {
              throw new IOException("Pipe not connected");
          } else if (closedByReader) {
              throw new IOException("Pipe closed");
          } else if (writeSide != null && !writeSide.isAlive()