Oracle 1Z0-869 Online Practice Questions and Exam Preparation

Oracle 1Z0-869 Online Questions & Answers

• Question 71:

  What is the minimum number of simultaneously running threads that a JTWI 1.0 device must support for each MIDlet suite?

  A. 3
  B. two running threads for each class of the MIDlet suite
  C. 1
  D. 10
  D. 10

• Question 72:

  Which interaction generates an application event in a MIDlet that uses only high-level APIs?

  A. navigation
  B. making a choice in a multiple choice List
  C. scrolling
  D. responding to a command
  D. responding to a command

• Question 73:

  Which image format(s) must be supported by a JTWI 1.0 compliant device for Image object creation?

  A. JPEG and GIF
  B. PNG only
  C. TIFF and PNG
  D. PNG and JPEG
  E. all formats
  D. PNG and JPEG

• Question 74:

  A mobile application developer is trying to increase the performance of a game using the MIDP Game API. Which two are legal, valid approaches that fulfill the developer's goal? (Choose two.)

  A. restrict the number of frames per Sprite to one
  B. base collision detection on rectangle boundaries
  C. always ensure that the view window is larger than the visible screen
  D. implement keyPressed(), keyReleased(), and keyRepeated()
  E. poll for key states only when necessary
  B. base collision detection on rectangle boundaries
  E. poll for key states only when necessary

• Question 75:

  Given:

  11.

  HttpsConnection c = (HttpsConnection)

  Connector.open("https://www.mywebserver.com");

  12.

  int portNumber = c.getPort();

  What is the value of the portNumber variable after executing the code?

  A. 443
  B. 80
  C. 25
  A. 443

• Question 76:

  A JTWI device has a working socket implementation. A MIDlet requests permission to use socket connections on this device using the attribute MIDlet-Permissions-Opt, but is denied permission. Given:

  20.

  public void connect() {

  21.

  try {

  22.

  String addr = "socket://host.com:79";

  23.

  SocketConnection sc;

  24.

  sc = (SocketConnection) Connector.open(addr);

  25.

  sc.setSocketOption(SocketConnection.LINGER, 5);

  26.

  InputStream is = sc.openInputStream();

  27.

  OutputStream os = sc.openOutputStream();

  28.

  os.write("\\r\\n".getBytes());

  29.

  int ch = is.read();

  30.

  // ...

  35.

  } catch (IOException ioe) {

  36.

  // ...

  40.

  }

  41.

  }

  Which is true assuming that the argument to Connector.open() points to a valid destination, and the device has resources to create new socket connections?

  A. The device disallows the MIDlet to be installed.
  B. If connect() executes, a SecurityException is thrown at runtime at line 26.
  C. If connect() executes, a SecurityException is thrown at runtime at line 28.
  D. If connect() executes, a ConnectionNotFoundException is thrown at runtime at line 24.
  E. If connect() executes, a SecurityException is thrown at runtime at line 24.
  E. If connect() executes, a SecurityException is thrown at runtime at line 24.

• Question 77:

  Which two HttpConnection methods transition the connection to the connected state? (Choose two.)

  A. getRequestProperty
  B. setRequestMethod
  C. getLength
  D. openInputStream
  C. getLength
  D. openInputStream

• Question 78:

  Given:

  8.

  package javax.microedition.midlet;

  9.

  import javax.microedition.midlet.*;

  10.

  import javax.microedition.io.*;

  11.

  import java.io.*;

  12.

  13.

  public class Outlet extends MIDlet {

  14.

  public void startApp(){ }

  15.

  public void pauseApp(){ }

  16.

  public void destroyApp(boolean unconditional){ }

  17.

  }

  Which is true?

  A. The application will compile and will execute.
  B. The application will NOT compile.
  C. The application will compile and will NOT execute.
  D. Compilation fails because of an error in line 8.
  C. The application will compile and will NOT execute.

• Question 79:

  Drag Drop

  Place the connection strings on their corresponding connection interfaces.

  Select and Place:

  

  

• Question 80:

  Which two properties of a Player can be set programmatically after its creation? (Choose two.)

  A. time base
  B. loop count
  C. media content type
  D. media source
  E. size of data buffer
  A. time base
  B. loop count