--- old/./src/share/classes/java/lang/StringBuilder.java	2012-08-20 20:17:01.459084183 -0400
+++ new/./src/share/classes/java/lang/StringBuilder.java	2012-08-20 20:17:01.351084185 -0400
@@ -183,7 +183,16 @@
             return this.append((StringBuilder)s);
         return this.append(s, 0, s.length());
     }
-
+    
+    /**
+     * @throws IllegalArgumentException if n < 0  {@inheritDoc}
+     * @since 1.8
+     */
+    public StringBuilder append(int n, CharSequence cs) {
+        super.append(n, cs);
+        return this;
+    }   
+    
     /**
      * @throws     IndexOutOfBoundsException {@inheritDoc}
      */