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| Certification Vendor: | Oracle |
| Exam Name: | Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional Exam |
| Exam Number: | 1Z0-869 |
| Exam Duration: | 120 minutes |
| Certificate Validity Period: | Unknown (historical certification; validity not consistently defined for this legacy exam) |
| Available Languages: | English |
| Exam Format: | Multiple Choice |
| Recommended Training: | Oracle Java ME Training Resources |
| Exam Registration: | Oracle Certification Portal Pearson VUE Oracle Exams |
| Sample Questions: | Oracle 1Z0-869 Sample Questions |
| Exam Way: | Pearson VUE test center or online proctored (historical Oracle certification delivery method) |
| Pre Condition: | Recommended understanding of Java SE fundamentals and basic mobile application concepts |
| Official Syllabus URL: | https://education.oracle.com |
| Section | Objectives |
|---|---|
| Topic 1: Java ME Architecture and Fundamentals | - MIDP (Mobile Information Device Profile) - Java ME platform architecture overview - CLDC (Connected Limited Device Configuration) |
| Topic 2: MIDlet Development | - User interface components and event handling - MIDlet lifecycle |
| Topic 3: Security Model | - Signed MIDlets and trust levels - Sandbox model and permissions |
| Topic 4: Data Storage and Persistence | - Record Management System (RMS) |
| Topic 5: Packaging and Deployment | - Deployment to mobile devices - JAR/JAD packaging |
| Topic 6: Networking and Communication | - HTTP/HTTPS connections in Java ME - Generic Connection Framework (GCF) |
1. Which two are true when deleting a record store? (Choose two.)
A) If the record store is open, an exception will be thrown.
B) The record store must be closed prior to calling deleteRecordStore().
C) The record store must be open prior to calling deleteRecordStore().
D) For any registered listener of the record store, recordDeleted() will be called.
2. Which three statements are true regarding the handling of wireless connections? (Choose three.)
A) The connection could unexpectedly terminate while processing the input or output streams.
B) A network connection could interfere with other services on the device, such as the ability to receive phone calls or SMS on a phone.
C) Devices can only support one HttpConnection at a time; therefore, network access from multiple threads must be serialized.
D) Performing network operations on the same thread used by the display is likely to block refreshes of the display until the network operations complete.
E) Network connections should never be performed on a separate thread, so problems can be handled quickly.
3. 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) In class A, no new events will be delivered to the application until after the commandAction() method completes.
C) The commandAction() method code in class B is compliant with the event-handling approach recommended in the MIDP 2.0 specification.
D) The commandAction() method code in class A is NOT guaranteed to be portable across all MIDP 2.0-compliant devices.
E) The event-handling mechanism in class A allows multiple command events to be delivered to the application in parallel.
F) The event-handling in class A will NOT print done with action until after the run() method has completed.
4. An open record store, rs, contains five records with record IDs 1, 2, 3, 4, and 5.
1 . byte[] data = new byte[10];
2 .
3 . for (int i = 1; i <= rs.getNumRecords(); i++)
4 . {
5 . if (rs.getRecordSize(i) > data.length)
6 . data = new byte[rs.getRecordSize(i)];
7 . rs.getRecord(i, data, 0);
8 . System.out.println(new String(data));
9 . }
If record ID 3 is deleted, and the code is run, what is the result?
A) This code generates a NullPointerException.
B) This code generates a RuntimeException.
C) This code runs without any errors.
D) This code generates an InvalidRecordIDException.
E) This code generates a RecordIDException.
5. Which three are basic interface types addressed by the Generic Connection Framework?
(Choose three.)
A) location-oriented mechanism
B) telephony-oriented mechanism
C) circuit-oriented mechanism
D) basic serial input connection
E) basic serial output connection
Solutions:
| Question # 1 Answer: A,B | Question # 2 Answer: A,B,D | Question # 3 Answer: A,B | Question # 4 Answer: D | Question # 5 Answer: C,D,E |
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