Round double half up

import java.math.BigDecimal;

public class Main {
  public static double round(double x, int scale) {
      return round(x, scale, BigDecimal.ROUND_HALF_UP);
  }
  public static double round(double x, int scale, int roundingMethod) {
      try {
          return (new BigDecimal
                 (Double.toString(x))
                 .setScale(scale, roundingMethod))
                 .doubleValue();
      } catch (NumberFormatException ex) {
          if (Double.isInfinite(x)) {
              return x;
          } else {
              return Double.NaN;
          }
      }
  }

}