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

Oracle 1Z0-869 exam
  • Exam Code: 1Z0-869
  • Exam Name: Java Mobile Edition 1 Mobile Application Developer Certified Professional Exam
  • Updated: Sep 11, 2026
  • Q & A: 340 Questions and Answers
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Oracle 1Z0-869 Exam Syllabus Topics:

SectionObjectives
Topic 1: Data Storage and Persistence- Record Management System (RMS)
Topic 2: Packaging and Deployment- Deployment to mobile devices
- JAR/JAD packaging
Topic 3: Security Model- Sandbox model and permissions
- Signed MIDlets and trust levels
Topic 4: Java ME Architecture and Fundamentals- MIDP (Mobile Information Device Profile)
- Java ME platform architecture overview
- CLDC (Connected Limited Device Configuration)
Topic 5: MIDlet Development- User interface components and event handling
- MIDlet lifecycle
Topic 6: Networking and Communication- HTTP/HTTPS connections in Java ME
- Generic Connection Framework (GCF)

Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional Sample Questions:

Question #1

Which two errors are available in CLDC? (Choose two.)

  • A. java.lang.UnknownError
  • B. java.lang.VirtualMachineError
  • C. java.lang.OutOfMemoryError
  • D. java.lang.StackOverflowError
Reveal Solution  Discussion  0

Correct Answer: B,C  🗳️

Question #2

Which two are true about JTWI devices using SMS? (Choose two.)

  • A. Java applications are restricted to using port numbers between 2000 and 9207.
  • B. A message which is too big to be sent in a single segment is NOT guaranteed to have its segments arrive at the application in the order in which they were sent.
  • C. The payload for an SMS message can use the BinaryMessage interface.
  • D. Multiple messages sent from point A to point B are NOT guaranteed to be delivered in the order in which they were sent.
  • E. The payload for an SMS message segment CANNOT exceed 140 bytes.
Reveal Solution  Discussion  0

Correct Answer: C,D  🗳️

Question #3

What are the rules for the look and feel of the user interface components?

  • A. The user interface always looks exactly as it does in the MIDP Reference Implementation.
  • B. The user interface look and feel may be drastically different on different devices.
  • C. The dimensions of all the user components are always the same on any device, even if they look different.
  • D. The user interface is always in monochrome, so the developer should NOT use color.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #4

Given:
1 2. class TestRecordListener implements RecordListener {
1 3. public void recordAdded(RecordStore rcs, int recordId) {
1 4. // ...
2 5. }
2 6. public void recordDeleted(RecordStore rcs, int recordId) {
2 7. // ...
3 3. }
3 4. public void recordChanged(RecordStore rcs, int recordId) {
3 5. // ...
4 3. }
4 4. }
If rs is a valid and open record store, how can you properly associate a record listener with rs?

  • A. rs.createRecordListener(new TestRecordListener())
  • B. rs.setRecordListener(new TestRecordListener())
  • C. rs.addRecordListener(new TestRecordListener())
  • D. rs.newRecordListener(new TestRecordListener())
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #5

The developer is designing a game that uses the LayerManager and Sprite classes. Three Sprite objects are added to a LayerManager object and a call is placed to the LayerManager.paint(Graphics, x, y) method. In what order are the Sprite objects rendered to the device display?

  • A. The Sprites that are animated are rendered first.
  • B. The Sprites are rendered in an implementation specific manner.
  • C. The Sprites are rendered in order of descending index.
  • D. The Sprites are rendered in a random order.
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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