code: @Override
      public void entering(String sourceClass, String sourceMethod, Object params[]) {
          if (isLoggable(Level.FINER)) {
              String msg = "ENTRY";
              if (params != null) {
                  StringBuilder sb = new StringBuilder(msg);
                  for (int i = 0; i < params.length; i++) {
                      sb.append(" {").append(i).append("}");
                  }
                  msg = sb.toString();
              }
              logp(Level.FINER, sourceClass, sourceMethod, msg, params);
          }
      }
docs: /*
  @see java.util.logging.Logger#entering(java.lang.String,
  java.lang.String, java.lang.Object[])