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diff --git a/libjava/classpath/java/io/PrintStream.java b/libjava/classpath/java/io/PrintStream.java
new file mode 100644
index 000000000..eaab7c3d4
--- /dev/null
+++ b/libjava/classpath/java/io/PrintStream.java
@@ -0,0 +1,675 @@
+/* PrintStream.java -- OutputStream for printing output
+   Copyright (C) 1998, 1999, 2001, 2003, 2004, 2005, 2006
+   Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.io;
+
+import java.util.Locale;
+import java.util.Formatter;
+
+import gnu.classpath.SystemProperties;
+
+/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
+ * "The Java Language Specification", ISBN 0-201-63451-1
+ * Status:  Believed complete and correct to 1.3
+ */
+
+/**
+ * This class prints Java primitive values and object to a stream as
+ * text.  None of the methods in this class throw an exception.  However,
+ * errors can be detected by calling the <code>checkError()</code> method.
+ * Additionally, this stream can be designated as "autoflush" when
+ * created so that any writes are automatically flushed to the underlying
+ * output sink when the current line is terminated.
+ * <p>
+ * This class converts char's into byte's using the system default encoding.
+ *
+ * @author Aaron M. Renn (arenn@urbanophile.com)
+ * @author Tom Tromey (tromey@cygnus.com)
+ * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
+ */
+public class PrintStream extends FilterOutputStream implements Appendable
+{
+  /* Notice the implementation is quite similar to OutputStreamWriter.
+   * This leads to some minor duplication, because neither inherits
+   * from the other, and we want to maximize performance. */
+
+  // Line separator string.
+  private static final char[] line_separator
+    = SystemProperties.getProperty("line.separator", "\n").toCharArray();
+
+  /**
+   *  Encoding name
+   */
+  private final String encoding;
+
+  /**
+   * This boolean indicates whether or not an error has ever occurred
+   * on this stream.
+   */
+  private boolean error_occurred = false;
+
+  /**
+   * This is <code>true</code> if auto-flush is enabled,
+   * <code>false</code> otherwise
+   */
+  private final boolean auto_flush;
+
+  /**
+   * This method initializes a new <code>PrintStream</code> object to write
+   * to the specified output File. Doesn't autoflush.
+   *
+   * @param file The <code>File</code> to write to.
+   * @throws FileNotFoundException if an error occurs while opening the file.
+   *
+   * @since 1.5
+   */
+  public PrintStream (File file)
+    throws FileNotFoundException
+  {
+    this (new FileOutputStream(file), false);
+  }
+
+  /**
+   * This method initializes a new <code>PrintStream</code> object to write
+   * to the specified output File. Doesn't autoflush.
+   *
+   * @param file The <code>File</code> to write to.
+   * @param encoding The name of the character encoding to use for this
+   * object.
+   * @throws FileNotFoundException If an error occurs while opening the file.
+   * @throws UnsupportedEncodingException If the charset specified by
+   * <code>encoding</code> is invalid.
+   *
+   * @since 1.5
+   */
+  public PrintStream (File file, String encoding)
+    throws FileNotFoundException,UnsupportedEncodingException
+  {
+    this (new FileOutputStream(file), false, encoding);
+  }
+
+  /**
+   * This method initializes a new <code>PrintStream</code> object to write
+   * to the specified output File. Doesn't autoflush.
+   *
+   * @param fileName The name of the <code>File</code> to write to.
+   * @throws FileNotFoundException if an error occurs while opening the file,
+   *
+   * @since 1.5
+   */
+  public PrintStream (String fileName)
+    throws FileNotFoundException
+  {
+    this (new FileOutputStream(new File(fileName)), false);
+  }
+
+  /**
+   * This method initializes a new <code>PrintStream</code> object to write
+   * to the specified output File. Doesn't autoflush.
+   *
+   * @param fileName The name of the <code>File</code> to write to.
+   * @param encoding The name of the character encoding to use for this
+   * object.
+   * @throws FileNotFoundException if an error occurs while opening the file.
+   * @throws UnsupportedEncodingException If the charset specified by
+   * <code>encoding</code> is invalid.
+   *
+   * @since 1.5
+   */
+  public PrintStream (String fileName, String encoding)
+      throws FileNotFoundException,UnsupportedEncodingException
+  {
+    this (new FileOutputStream(new File(fileName)), false, encoding);
+  }
+
+  /**
+   * This method initializes a new <code>PrintStream</code> object to write
+   * to the specified output sink. Doesn't autoflush.
+   *
+   * @param out The <code>OutputStream</code> to write to.
+   */
+  public PrintStream (OutputStream out)
+  {
+    this (out, false);
+  }
+
+  /**
+   * This method initializes a new <code>PrintStream</code> object to write
+   * to the specified output sink.  This constructor also allows "auto-flush"
+   * functionality to be specified where the stream will be flushed after
+   * every <code>print</code> or <code>println</code> call, when the
+   * <code>write</code> methods with array arguments are called, or when a
+   * single new-line character is written.
+   * <p>
+   *
+   * @param out The <code>OutputStream</code> to write to.
+   * @param auto_flush <code>true</code> to flush the stream after every
+   * line, <code>false</code> otherwise
+   */
+  public PrintStream (OutputStream out, boolean auto_flush)
+  {
+    super (out);
+    String encoding;
+    try {
+        encoding = SystemProperties.getProperty("file.encoding");
+    } catch (SecurityException e){
+        encoding = "ISO8859_1";
+    } catch (IllegalArgumentException e){
+        encoding = "ISO8859_1";
+    } catch (NullPointerException e){
+        encoding = "ISO8859_1";
+    }
+    this.encoding = encoding;
+    this.auto_flush = auto_flush;
+  }
+
+  /**
+   * This method initializes a new <code>PrintStream</code> object to write
+   * to the specified output sink.  This constructor also allows "auto-flush"
+   * functionality to be specified where the stream will be flushed after
+   * every <code>print</code> or <code>println</code> call, when the
+   * <code>write</code> methods with array arguments are called, or when a
+   * single new-line character is written.
+   * <p>
+   *
+   * @param out The <code>OutputStream</code> to write to.
+   * @param auto_flush <code>true</code> to flush the stream after every
+   * line, <code>false</code> otherwise
+   * @param encoding The name of the character encoding to use for this
+   * object.
+   */
+  public PrintStream (OutputStream out, boolean auto_flush, String encoding)
+    throws UnsupportedEncodingException
+  {
+    super (out);
+
+    new String(new byte[]{0}, encoding);    // check if encoding is supported
+    this.encoding = encoding;
+    this.auto_flush = auto_flush;
+  }
+
+  /**
+   * This method checks to see if an error has occurred on this stream.  Note
+   * that once an error has occurred, this method will continue to report
+   * <code>true</code> forever for this stream.  Before checking for an
+   * error condition, this method flushes the stream.
+   *
+   * @return <code>true</code> if an error has occurred,
+   * <code>false</code> otherwise
+   */
+  public boolean checkError ()
+  {
+    flush ();
+    return error_occurred;
+  }
+
+  /**
+   * This method can be called by subclasses to indicate that an error
+   * has occurred and should be reported by <code>checkError</code>.
+   */
+  protected void setError ()
+  {
+    error_occurred = true;
+  }
+
+  /**
+   * This method closes this stream and all underlying streams.
+   */
+  public void close ()
+  {
+    try
+      {
+        flush();
+        out.close();
+      }
+    catch (InterruptedIOException iioe)
+      {
+        Thread.currentThread().interrupt();
+      }
+    catch (IOException e)
+      {
+        setError ();
+      }
+  }
+
+  /**
+   * This method flushes any buffered bytes to the underlying stream and
+   * then flushes that stream as well.
+   */
+  public void flush ()
+  {
+    try
+      {
+        out.flush();
+      }
+    catch (InterruptedIOException iioe)
+      {
+        Thread.currentThread().interrupt();
+      }
+    catch (IOException e)
+      {
+        setError ();
+      }
+  }
+
+  private synchronized void print (String str, boolean println)
+  {
+    try
+      {
+        writeChars(str, 0, str.length());
+        if (println)
+          writeChars(line_separator, 0, line_separator.length);
+        if (auto_flush)
+          flush();
+      }
+    catch (InterruptedIOException iioe)
+      {
+        Thread.currentThread().interrupt();
+      }
+    catch (IOException e)
+      {
+        setError ();
+      }
+  }
+
+  private synchronized void print (char[] chars, int pos, int len,
+                                   boolean println)
+  {
+    try
+      {
+        writeChars(chars, pos, len);
+        if (println)
+          writeChars(line_separator, 0, line_separator.length);
+        if (auto_flush)
+          flush();
+      }
+    catch (InterruptedIOException iioe)
+      {
+        Thread.currentThread().interrupt();
+      }
+    catch (IOException e)
+      {
+        setError ();
+      }
+  }
+
+  private void writeChars(char[] buf, int offset, int count)
+    throws IOException
+  {
+      byte[] bytes = (new String(buf, offset, count)).getBytes(encoding);
+      out.write(bytes, 0, bytes.length);
+  }
+
+  private void writeChars(String str, int offset, int count)
+    throws IOException
+  {
+      byte[] bytes = str.substring(offset, offset+count).getBytes(encoding);
+      out.write(bytes, 0, bytes.length);
+  }
+
+  /**
+   * This methods prints a boolean value to the stream.  <code>true</code>
+   * values are printed as "true" and <code>false</code> values are printed
+   * as "false".
+   *
+   * @param bool The <code>boolean</code> value to print
+   */
+  public void print (boolean bool)
+  {
+    print(String.valueOf(bool), false);
+  }
+
+  /**
+   * This method prints an integer to the stream.  The value printed is
+   * determined using the <code>String.valueOf()</code> method.
+   *
+   * @param inum The <code>int</code> value to be printed
+   */
+  public void print (int inum)
+  {
+    print(String.valueOf(inum), false);
+  }
+
+  /**
+   * This method prints a long to the stream.  The value printed is
+   * determined using the <code>String.valueOf()</code> method.
+   *
+   * @param lnum The <code>long</code> value to be printed
+   */
+  public void print (long lnum)
+  {
+    print(String.valueOf(lnum), false);
+  }
+
+  /**
+   * This method prints a float to the stream.  The value printed is
+   * determined using the <code>String.valueOf()</code> method.
+   *
+   * @param fnum The <code>float</code> value to be printed
+   */
+  public void print (float fnum)
+  {
+    print(String.valueOf(fnum), false);
+  }
+
+  /**
+   * This method prints a double to the stream.  The value printed is
+   * determined using the <code>String.valueOf()</code> method.
+   *
+   * @param dnum The <code>double</code> value to be printed
+   */
+  public void print (double dnum)
+  {
+    print(String.valueOf(dnum), false);
+  }
+
+  /**
+   * This method prints an <code>Object</code> to the stream.  The actual
+   * value printed is determined by calling the <code>String.valueOf()</code>
+   * method.
+   *
+   * @param obj The <code>Object</code> to print.
+   */
+  public void print (Object obj)
+  {
+    print(obj == null ? "null" : obj.toString(), false);
+  }
+
+  /**
+   * This method prints a <code>String</code> to the stream.  The actual
+   * value printed depends on the system default encoding.
+   *
+   * @param str The <code>String</code> to print.
+   */
+  public void print (String str)
+  {
+    print(str == null ? "null" : str, false);
+  }
+
+  /**
+   * This method prints a char to the stream.  The actual value printed is
+   * determined by the character encoding in use.
+   *
+   * @param ch The <code>char</code> value to be printed
+   */
+  public synchronized void print (char ch)
+  {
+    print(new char[]{ch}, 0, 1, false);
+  }
+
+  /**
+   * This method prints an array of characters to the stream.  The actual
+   * value printed depends on the system default encoding.
+   *
+   * @param charArray The array of characters to print.
+   */
+  public void print (char[] charArray)
+  {
+    print(charArray, 0, charArray.length, false);
+  }
+
+  /**
+   * This method prints a line separator sequence to the stream.  The value
+   * printed is determined by the system property <xmp>line.separator</xmp>
+   * and is not necessarily the Unix '\n' newline character.
+   */
+  public void println ()
+  {
+    print(line_separator, 0, line_separator.length, false);
+  }
+
+  /**
+   * This methods prints a boolean value to the stream.  <code>true</code>
+   * values are printed as "true" and <code>false</code> values are printed
+   * as "false".
+   * <p>
+   * This method prints a line termination sequence after printing the value.
+   *
+   * @param bool The <code>boolean</code> value to print
+   */
+  public void println (boolean bool)
+  {
+    print(String.valueOf(bool), true);
+  }
+
+  /**
+   * This method prints an integer to the stream.  The value printed is
+   * determined using the <code>String.valueOf()</code> method.
+   * <p>
+   * This method prints a line termination sequence after printing the value.
+   *
+   * @param inum The <code>int</code> value to be printed
+   */
+  public void println (int inum)
+  {
+    print(String.valueOf(inum), true);
+  }
+
+  /**
+   * This method prints a long to the stream.  The value printed is
+   * determined using the <code>String.valueOf()</code> method.
+   * <p>
+   * This method prints a line termination sequence after printing the value.
+   *
+   * @param lnum The <code>long</code> value to be printed
+   */
+  public void println (long lnum)
+  {
+    print(String.valueOf(lnum), true);
+  }
+
+  /**
+   * This method prints a float to the stream.  The value printed is
+   * determined using the <code>String.valueOf()</code> method.
+   * <p>
+   * This method prints a line termination sequence after printing the value.
+   *
+   * @param fnum The <code>float</code> value to be printed
+   */
+  public void println (float fnum)
+  {
+    print(String.valueOf(fnum), true);
+  }
+
+  /**
+   * This method prints a double to the stream.  The value printed is
+   * determined using the <code>String.valueOf()</code> method.
+   * <p>
+   * This method prints a line termination sequence after printing the value.
+   *
+   * @param dnum The <code>double</code> value to be printed
+   */
+  public void println (double dnum)
+  {
+    print(String.valueOf(dnum), true);
+  }
+
+  /**
+   * This method prints an <code>Object</code> to the stream.  The actual
+   * value printed is determined by calling the <code>String.valueOf()</code>
+   * method.
+   * <p>
+   * This method prints a line termination sequence after printing the value.
+   *
+   * @param obj The <code>Object</code> to print.
+   */
+  public void println (Object obj)
+  {
+    print(obj == null ? "null" : obj.toString(), true);
+  }
+
+  /**
+   * This method prints a <code>String</code> to the stream.  The actual
+   * value printed depends on the system default encoding.
+   * <p>
+   * This method prints a line termination sequence after printing the value.
+   *
+   * @param str The <code>String</code> to print.
+   */
+  public void println (String str)
+  {
+    print (str == null ? "null" : str, true);
+  }
+
+  /**
+   * This method prints a char to the stream.  The actual value printed is
+   * determined by the character encoding in use.
+   * <p>
+   * This method prints a line termination sequence after printing the value.
+   *
+   * @param ch The <code>char</code> value to be printed
+   */
+  public synchronized void println (char ch)
+  {
+    print(new char[]{ch}, 0, 1, true);
+  }
+
+  /**
+   * This method prints an array of characters to the stream.  The actual
+   * value printed depends on the system default encoding.
+   * <p>
+   * This method prints a line termination sequence after printing the value.
+   *
+   * @param charArray The array of characters to print.
+   */
+  public void println (char[] charArray)
+  {
+    print(charArray, 0, charArray.length, true);
+  }
+
+  /**
+   * This method writes a byte of data to the stream.  If auto-flush is
+   * enabled, printing a newline character will cause the stream to be
+   * flushed after the character is written.
+   *
+   * @param oneByte The byte to be written
+   */
+  public void write (int oneByte)
+  {
+    try
+      {
+        out.write (oneByte & 0xff);
+
+        if (auto_flush && (oneByte == '\n'))
+          flush ();
+      }
+    catch (InterruptedIOException iioe)
+      {
+        Thread.currentThread ().interrupt ();
+      }
+    catch (IOException e)
+      {
+        setError ();
+      }
+  }
+
+  /**
+   * This method writes <code>len</code> bytes from the specified array
+   * starting at index <code>offset</code> into the array.
+   *
+   * @param buffer The array of bytes to write
+   * @param offset The index into the array to start writing from
+   * @param len The number of bytes to write
+   */
+  public void write (byte[] buffer, int offset, int len)
+  {
+    try
+      {
+        out.write (buffer, offset, len);
+
+        if (auto_flush)
+          flush ();
+      }
+    catch (InterruptedIOException iioe)
+      {
+        Thread.currentThread ().interrupt ();
+      }
+    catch (IOException e)
+      {
+        setError ();
+      }
+  }
+
+  /** @since 1.5 */
+  public PrintStream append(char c)
+  {
+    print(c);
+    return this;
+  }
+
+  /** @since 1.5 */
+  public PrintStream append(CharSequence cs)
+  {
+    print(cs == null ? "null" : cs.toString());
+    return this;
+  }
+
+  /** @since 1.5 */
+  public PrintStream append(CharSequence cs, int start, int end)
+  {
+    print(cs == null ? "null" : cs.subSequence(start, end).toString());
+    return this;
+  }
+
+  /** @since 1.5 */
+  public PrintStream printf(String format, Object... args)
+  {
+    return format(format, args);
+  }
+
+  /** @since 1.5 */
+  public PrintStream printf(Locale locale, String format, Object... args)
+  {
+    return format(locale, format, args);
+  }
+
+  /** @since 1.5 */
+  public PrintStream format(String format, Object... args)
+  {
+    return format(Locale.getDefault(), format, args);
+  }
+
+  /** @since 1.5 */
+  public PrintStream format(Locale locale, String format, Object... args)
+  {
+    Formatter f = new Formatter(this, locale);
+    f.format(format, args);
+    return this;
+  }
+} // class PrintStream