src/share/classes/sun/util/locale/provider/RuleBasedBreakIterator.java

@@ -545,16 +545,11 @@
     /**
      * Returns text
      */
     @Override
     public String toString() {
-        StringBuilder sb = new StringBuilder();
-        sb.append('[');
-        sb.append("checksum=0x");
-        sb.append(Long.toHexString(checksum));
-        sb.append(']');
-        return sb.toString();
+        return "[checksum=0x" + Long.toHexString(checksum) + ']';
     }
 
     /**
      * Compute a hashcode for this BreakIterator
      * @return A hash code