public InputStreamReader(java.io.InputStream is,java.lang.String enc) throws java.io.UnsupportedEncodingException {
  internal=is;
  this.enc=enc.intern();
}

public InputStreamReader ( java . io . InputStream is , java . lang . String enc ) throws java . io . UnsupportedEncodingException { internal = is ; this . enc = enc . intern ( ) ; }
create an inputstreamreader that uses the named character encoding . is - an inputstreamenc - the name of a supported character encoding - if the named encoding is not supported
