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Oracle 1Z0-869 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: MIDlet Development | - User interface components and event handling - MIDlet lifecycle |
| Topic 2: Networking and Communication | - Generic Connection Framework (GCF) - HTTP/HTTPS connections in Java ME |
| Topic 3: Data Storage and Persistence | - Record Management System (RMS) |
| Topic 4: Java ME Architecture and Fundamentals | - MIDP (Mobile Information Device Profile) - Java ME platform architecture overview - CLDC (Connected Limited Device Configuration) |
| Topic 5: Security Model | - Sandbox model and permissions - Signed MIDlets and trust levels |
| Topic 6: Packaging and Deployment | - JAR/JAD packaging - Deployment to mobile devices |
Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional Sample Questions:
1. A MIDlet suite running on a GSM phone successfully receives an SMS text message msg from another GSM phone. The suite is using a valid SMS MessageConnection object conn opened in server mode.
The suite tries to respond back using:
msg.setPayloadText("thank you!");
conn.send(msg);
Which is true?
A) The code can succeed because the connection object contains an address for sending a response.
B) The code always fails because the message object is missing an address for sending a response.
C) The code always fails because the connection object is missing an address for sending a response.
D) The code can succeed because the message object contains an address for sending a response.
2. Which method is initially called when the MIDlet starts in response to a push notification?
A) MIDlet.pushApp()
B) PushRegistry.notifyIncomingConnection()
C) MIDlet.notifyApp()
D) MIDlet.startApp()
E) MIDlet.resumeRequest()
F) PushRegistry.listConnections()
3. 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.setRecordListener(new TestRecordListener())
B) rs.newRecordListener(new TestRecordListener())
C) rs.createRecordListener(new TestRecordListener())
D) rs.addRecordListener(new TestRecordListener())
4. Which API is guaranteed to be available for use by untrusted MIDlet suites with explicit confirmation from the user?
A) javax.microedition.io.HttpsConnection
B) javax.microedition.io.SecureConnection
C) javax.microedition.io.UDPDatagramConnection
D) javax.microedition.io.SocketConnection
5. Which two are true about MIDlet suite provisioning? (Choose two.)
A) A JTWI-compliant device must support HTTP authentication.
B) A JTWI-compliant device must support HTTP 1.1.
C) A JTWI-compliant device must support HTTP 1.0.
D) A JTWI-compliant device must support HTTP 1.1 and cookies.
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: A | Question # 5 Answer: A,B |



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