--- old/./src/share/classes/java/lang/AbstractStringBuilder.java	2012-08-20 20:16:59.563084239 -0400
+++ new/./src/share/classes/java/lang/AbstractStringBuilder.java	2012-08-20 20:16:59.459084241 -0400
@@ -1386,6 +1386,29 @@
     }
 
     /**
+     * Appends {@code n} concatenated copies of the CharSequence to the
+     * current value.  If {@code n == 0}, then adds the empty string. If 
+     * @{code cs} is {@code null}, then adds {@code "null"} {@code n} times.
+     * 
+     * @param n the number of copies of the CharSequence to concatenate
+     * @param cs the CharSequence to concatenate (n times)
+     * @return a reference to this object
+     * @throws IllegalArgumentException if n < 0
+     * @since 1.8
+     */
+    public AbstractStringBuilder append(int n, CharSequence cs) {
+        if (n < 0) {
+            throw new IllegalArgumentException("n < 0");
+        }
+
+        for (int i = 0; i < n; i++) {
+            append(cs);
+        }
+
+        return this;
+    }
+    
+    /**
      * Returns a string representing the data in this sequence.
      * A new {@code String} object is allocated and initialized to
      * contain the character sequence currently represented by this