catch (NoSuchAlgorithmException ignore)
catch (NoSuchAlgorithmException x)
  public static final KeyManagerFactory getInstance(String algorithm)    throws NoSuchAlgorithmException  {    Provider[] provs = Security.getProviders();    for (int i = 0; i < provs.length; i++)      {        try          {            return getInstance(algorithm, provs[i]);          }        catch (NoSuchAlgorithmException ignore)          {          }      }    throw new NoSuchAlgorithmException(algorithm);  }