Free Oracle 1Z1-804 Exam Dumps Questions & Answers

An application is waiting for notification of changes to a tmp directory using the following code statements:
Path dir = Paths.get("tmp")
WatchKey key = dir.register (watcher, ENTRY_CREATE, ENTRY_DELETE, ENTRY_MODIFY) ;
In the tmp directory, the user renames the file testA to testB,
Which statement is true?

• A.  The events received and the order of events are consistent across all platforms.
• B.  The events received and the order of events are consistent across all Microsoft Windows versions.
• C.  The events received and the order of events are consistent across all UNIX platforms.
• D.  The events received and the order of events are platform dependent.

Given: Which three statements concerning the OO concepts "is-a" and "has-a" are true?

• A.  Flimmer is-a Plinkable
• B.  Flommer is-a Glommer
• C.  Flommer has-a Tagget
• D.  Tagget has-a String
• E.  Flommer is-a Plinkable
• F.  Tagget is-a Plinkable
• G.  Flimmer is-a Flommer

Which two actions can be used in registering a JDBC 3.0 driver?

• A.  Add the driver class to the META-INF/services folder of the JAR file.
• B.  Use the DriverManager.getDriver method to load the driver class.
• C.  Include the JDBC driver class in a jdbcproperties file.
• D.  Set the driver class name by using the jdbc.drivers system property.
• E.  Use the java.lang.class.forName method to load the driver class.

Given the code fragment: Which two try statements, when inserted at line ***, enable the code to successfully move the file info.txt to the destination directory, even if a file by the same name already exists in the destination directory?

• A.  try(BufferedReader br = Files.newBufferedReader(Paths.get(source), Charset.forName("UTF
  8"));
  BufferedWriter bw = Files.newBufferedWriter(Paths.get(dest), Charset.forName("UTF-8")); String
  record =
  "";
  while ((record = br.readLine()) ! = null) {
  bw.write(record);
  bw.newLine();
  } Files.delete(Paths.get(source));
• B.  try (FileChannel in = new FileInputStream (source). getChannel(); FileChannel out = new FileOutputStream
  (dest).getChannel()) { in.transferTo(0, in.size(), out);
• C.  try ( Files.copy(Paths.get(source), Paths.get(dest),StandardCopyOption.REPLACE_EXISTING); Files.delete
  (Paths.get(source));
• D.  try ( Files.copy(Paths.get(source),Paths.get(dest)); Files.delete (Paths.get(source));
• E.  try (Files.move(Paths.get(source),Paths.get(dest));

Given the code format: SimpleDateFormat sdf;
Which code statements will display the full text month name?

• A.  sdf = new SimpleDateFormat ("MMMM", Locale.UK); System.out.println("Result:", sdf.format(new date()));
• B.  sdf = new SimpleDateFormat ("mm", Locale.UK); System.out.println("Result:", sdf.format(new date()));
• C.  sdf = new SimpleDateFormat ("MMM", Locale.UK); System.out.println("Result:", sdf.format(new date()));
• D.  sdf = new SimpleDateFormat ("MM", Locale.UK); System.out.println("Result:", sdf.format(new date()));