add classes which I meant to add in earlier commits

classpath/java/util/Formatter.java

@@ -0,0 +1,23 @@
+/* Copyright (c) 2009, Avian Contributors
+
+   Permission to use, copy, modify, and/or distribute this software
+   for any purpose with or without fee is hereby granted, provided
+   that the above copyright notice and this permission notice appear
+   in all copies.
+
+   There is NO WARRANTY for this software.  See license.txt for
+   details. */
+
+package java.util;
+
+public class Formatter {
+  private final Locale locale;
+
+  public Formatter(Locale locale) {
+    this.locale = locale;
+  }
+
+  public Formatter format(String format, Object ... args) {
+    throw new UnsupportedOperationException();
+  }
+}