code: def get_newest_possible_languagetool_version():
      
      java_path = find_executable('java')
      if not java_path:
          # Just ignore this and assume an old version of Java. It might not be
          # found because of a PATHEXT-related issue
          # (https://bugs.python.org/issue2200).
          return JAVA_6_COMPATIBLE_VERSION
  
      output = subprocess.check_output([java_path, '-version'],
                                       stderr=subprocess.STDOUT,
                                       universal_newlines=True)
  
      java_version = parse_java_version(output)
  
      if java_version >= (1, 8):
          return LATEST_VERSION
      elif java_version >= (1, 7):
          return JAVA_7_COMPATIBLE_VERSION
      elif java_version >= (1, 6):
          warn('language-check would be able to use a newer version of '
               'LanguageTool if you had Java 7 or newer installed')
          return JAVA_6_COMPATIBLE_VERSION
      else:
          raise SystemExit(
              'You need at least Java 6 to use language-check')
docs: Return newest compatible version.
  
      >>> version = get_newest_possible_languagetool_version()
      >>> version in [JAVA_6_COMPATIBLE_VERSION,
      ...             JAVA_7_COMPATIBLE_VERSION,
      ...             LATEST_VERSION]
      True