Java Programming Section 5

Which of these construct a DataInputStream instance?

• New dataInputStream(new file("java.txt"));

• New dataInputStream(new InputStream("java.txt"));

• New dataInputStream(new writer("java.txt"));

• New dataInputStream("java.txt");

• New dataInputStream(new FileInputStream("java.txt"));

The java.nio.file package has improved exception handling.

True or false?

• True

• False

The java.io package has problems with no support for symbolic links.

True or false?

• True

• False

The normalize() method removes redundant name elements from a qualified path.

True or false?

• True

• False

The new Paths class lets you resolve .. (double dot) path notation.

True or false?

• True

• False

Which of the following static methods is not provided by the Files class to check file properties or duplication?

• Files.isWritable(Path p);

• Files.isHidden(Path p);

• Files.isArchived(Path p);

• Files.isReadable(Path p);

You can read input by character or line.

True or false?

• True

• False

An ObjectInputStream lets you read a serialized object.

True or false?

• True

• False

File permissions are the same across all of the different operating systems.

• True

• False

The System.in is what type of stream?

• A Reader stream

• A PrintStream

• A BufferedWriter stream

• An InputStream

• A BufferedReader stream