public void warn(String message, Object ... args) {
    if (log.isWarnEnabled()) {
      log.warn(String.format(message, args));
    }
  }
public void warn ( String message , Object ... args ) { if ( log . isWarnEnabled ( ) ) { log . warn ( String . format ( message , args ) ) ; } }
<p>warn</p>

@see Log#warn
@param message Format string.
@param args Arguments for format string.