* java/io/PrintStream.java (append): Don't throw IOException.

	* java/io/StringWriter.java (append): New overloads.
	* java/io/PrintWriter.java (append): New overloads.
	(PrintWriter): New constructors.
	* java/io/CharArrayWriter.java (append): New overloads.
	* java/io/RandomAccessFile.java (RandomAccessFile): Implements
	Closeable.
	* java/io/Reader.java (Reader): Implements Readable.
	(read): New method.

1 files changed, 21 insertions, 0 deletions

diff --git a/java/io/StringWriter.java b/java/io/StringWriter.java
index 7b6e14193..103baca31 100644
--- a/java/io/StringWriter.java
+++ b/java/io/StringWriter.java
@@ -183,6 +183,27 @@ public class StringWriter extends Writer
     buffer.append(str.substring(offset, offset + len));
   }
 
+  /** @since 1.5 */
+  public StringWriter append(char c)
+  {
+    write(c);
+    return this;
+  }
+
+  /** @since 1.5 */
+  public StringWriter append(CharSequence cs)
+  {
+    write(cs == null ? "null" : cs.toString());
+    return this;
+  }
+
+  /** @since 1.5 */
+  public StringWriter append(CharSequence cs, int start, int end)
+  {
+    write(cs == null ? "null" : cs.subSequence(start, end).toString());
+    return this;
+  }
+
   /**
    * This is the <code>StringBuffer</code> that we use to store bytes that
    * are written.