public static void ensureTempDirectoryExists() throws IOException {
  String tmpDirectoryPath=System.getProperty("java.io.tmpdir");
  ensureDirectoryExists(tmpDirectoryPath);
}

public static void ensureTempDirectoryExists ( ) throws IOException { String tmpDirectoryPath = System . getProperty ( "java.io.tmpdir" ) ; ensureDirectoryExists ( tmpDirectoryPath ) ; }
ensures that the tmp directory in the java . io . tmpdir system property exists
