1Z0-869 : Java Mobile Edition 1 Mobile Application Developer Certified Professional Exam

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Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional 認定 1Z0-869 試験問題:

1. Click the Exhibit button. Which two are true? (Choose two.)

A) In class B, no new events will be delivered to the application until after the commandAction() method completes.
B) The event-handling mechanism in class A allows multiple command events to be delivered to the application in parallel.
C) The event-handling in class A will NOT print done with action until after the run() method has completed.
D) The commandAction() method code in class A is NOT guaranteed to be portable across all MIDP 2.0-compliant devices.
E) In class A, no new events will be delivered to the application until after the commandAction() method completes.
F) The commandAction() method code in class B is compliant with the event-handling approach recommended in the MIDP 2.0 specification.

2. Which two clarifications does the JTWI specification make regarding how devices implement the Mobile Media API? (Choose two.)

A) A JTWI device must support MP3 file playback.
B) A JTWI device must support MIDI file playback.
C) A JTWI device must support WAV file playback.
D) A JTWI device must support Real Time Streaming Protocol (RTSP) for media file download of all supported media formats.
E) A JTWI device must support HTTP for media file download of all supported media formats.

3. Given a MIDlet that specifies a push registration in the JAD file as:
MIDlet-Push-1: socket://:79, com.sun.example.SampleChat, *
What is the result when the MIDlet is installed onto a device where another MIDlet has already registered the exact same push connection in the PushRegistry?

A) The MIDlet installs, but the MIDlet must register the connection dynamically.
B) The connection can only apply to the currently running MIDlet.
C) The MIDlet installation is aborted and the user is notified of the problem.
D) The MIDlet installs and overwrites any existing push registrations.
E) The MIDlet installs, but the connection CANNOT be used.

4. Which two are true about the javax.wireless.messaging.MessageConnection interface?
(Choose two.)

A) It provides methods to create Connector objects.
B) Threads that are waiting to receive messages must be blocking threads.
C) An application can have both client and server mode MessageConnection instances open simultaneously.
D) When creating a client mode message, a string that identifies an endpoint on the local host should be passed to Connector.open().
E) This interface is intended for all wireless messaging protocols.

5. Given:
8 . package javax.microedition.midlet;
9 . import javax.microedition.midlet.*;
1 0. import javax.microedition.io.*;
1 1. import java.io.*;
1 2.
1 3. public class Outlet extends MIDlet {
1 4. public void startApp(){ }
1 5. public void pauseApp(){ }
1 6. public void destroyApp(boolean unconditional){ }
1 7. }
Which is true?

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

質問と回答：