boolean function ( ) { return redirectErrorStream ; }
indicates whether the standard error should be redirected to standard output . if redirected , the process #geterrorstream will alwaysreturn end of stream and standard error is written to process #getinputstream . concode_field_sep Map<String,String> environment concode_elem_sep File directory concode_elem_sep boolean redirectErrorStream concode_elem_sep List<String> command concode_field_sep Map<String,String> environment concode_elem_sep Process start concode_elem_sep File directory concode_elem_sep ProcessBuilder directory concode_elem_sep List<String> command concode_elem_sep ProcessBuilder command concode_elem_sep ProcessBuilder command