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Oracle 1Z0-869 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Security Model | - Sandbox model and permissions - Signed MIDlets and trust levels |
| Networking and Communication | - HTTP/HTTPS connections in Java ME - Generic Connection Framework (GCF) |
| Java ME Architecture and Fundamentals | - Java ME platform architecture overview - MIDP (Mobile Information Device Profile) - CLDC (Connected Limited Device Configuration) |
| Packaging and Deployment | - JAR/JAD packaging - Deployment to mobile devices |
| Data Storage and Persistence | - Record Management System (RMS) |
| MIDlet Development | - MIDlet lifecycle - User interface components and event handling |
Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional Sample Questions:
DRAG DROP
Click the Task button.
Place each code snippet where it belongs.
Correct Answer:
Which are valid states for an HttpConnection?
- A. created, active, closed
- B. started, paused, destroyed
- C. connected, disconnected
- D. setup, connected, closed
Correct Answer: D 🗳️
Which two can a developer use to create a Timer that will go off in 5 seconds, repeating every 3 seconds? (Choose two.)
- A. timer.schedule(timerTask, 5, 3);
- B. timer.schedule(timerTask, 5000, 3000);
- C. timer.schedule(timerTask, new Date().getTime() + 5000, 3000);
- D. timer.scheduleAtFixedRate(timerTask, 5, 3);
- E. timer.scheduleAtFixedRate(timerTask, 5000, 3000);
Correct Answer: B,E 🗳️
Which two are true regarding error handling for classes that exist in both CLDC and J2SE?
(Choose two.)
- A. The set of error classes is much reduced in CLDC to help reduce the overhead of the JVM.
- B. If a class throws an error in CLDC, it should throw the same error as in J2SE or its nearest superclass.
- C. The set of error classes is essentially the same in CLDC and J2SE.
- D. There is no correspondence between the errors defined by CLDC and J2SE because the needs of CLDC and J2SE are so different.
Correct Answer: A,B 🗳️
Assuming an application descriptor contains:
MIDlet-Data-Size: 4096
Which is true?
- A. The device will use 4096 bytes to buffer data the application sends over the network.
- B. The device will permanently reserve 4096 bytes of RMS space for the application.
- C. The device will use 4096 bytes to buffer data the application receives over the network.
- D. The device will permanently reserve 4096 bytes of heap space for the application.
Correct Answer: B 🗳️
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