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Oracle 1Z0-869 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Security Model | - Signed MIDlets and trust levels - Sandbox model and permissions |
| Data Storage and Persistence | - Record Management System (RMS) |
| Packaging and Deployment | - JAR/JAD packaging - Deployment to mobile devices |
| MIDlet Development | - MIDlet lifecycle - User interface components and event handling |
| Networking and Communication | - Generic Connection Framework (GCF) - HTTP/HTTPS connections in Java ME |
| Java ME Architecture and Fundamentals | - MIDP (Mobile Information Device Profile) - Java ME platform architecture overview - CLDC (Connected Limited Device Configuration) |
Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional Sample Questions:
1. Click the Exhibit button.
Which two are true? (Choose two.)
A) The event-handling in class A will NOT print done with action until after the run() method has completed.
B) The commandAction() method code in class B is compliant with the event-handling approach recommended in the MIDP 2.0 specification.
C) The commandAction() method code in class A is NOT guaranteed to be portable across all MIDP 2.0-compliant devices.
D) In class B, no new events will be delivered to the application until after the commandAction() method completes.
E) In class A, no new events will be delivered to the application until after the commandAction() method completes.
F) The event-handling mechanism in class A allows multiple command events to be delivered to the application in parallel.
2. Which is the most efficient method to generate a silence between tones in a tone sequence?
A) use the constant ToneControl.SILENCE
B) use RateControl with ToneControl
C) stop the playback of the tone sequence and restart it
D) pause playback and set volume to -1
3. Given a MIDlet suite with its JAD file and a device that:
downloads and installs the JAD file
loses the network service during the download of the JAR file
What is the correct behavior of a JTWI-compliant device?
A) The device aborts the installation and frees the space reserved for that MIDlet suite.
B) The device will try again to download the JAR file the next time it has data network connectivity.
C) The device installs the portion of MIDlet suite it has downloaded until that point.
D) The server will push the MIDlet suite to the device the next time it has data network connectivity.
4. Which is true for Item?
A) Minimum and preferred size CANNOT be changed once an Item is created.
B) The same Command may occur on more than one Item.
C) When adding a Command to an Item, specifying a command type other than Command.ITEM results in a compilation failure.
D) The same Item may be appended to more than one Form at the same time.
5. Click the Exhibit button.
Given:
String cert = getAppProperty("MIDlet-Certificate-1-1");
What value is assigned to the cert variable when run on a MIDP 2.0 implementation?
A) The application will NOT install.
B) The requested property value from the MANIFEST.MF file is assigned to cert.
C) A runtime exception will occur.
D) The requested property value from the JAD file is assigned to cert.
Solutions:
| Question # 1 Answer: D,E | Question # 2 Answer: A | Question # 3 Answer: A | Question # 4 Answer: B | Question # 5 Answer: D |






