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Oracle 1Z0-869 Exam Syllabus Topics:

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

1. Given:
a new record store rs, of type javax.microedition.rms.RecordStore containing zero records a method called addNewRecord that adds a record to rs And:
2 1. addNewRecord("Amy");
2 2. addNewRecord("Bill");
2 3. addNewRecord("Candy");
2 4. addNewRecord("Doug");
2 5. rs.deleteRecord(1);
2 6. rs.deleteRecord(3);
2 7. addNewRecord("Ethan");
2 8. addNewRecord("Frank");
2 9. int nextRecNum = rs.getNextRecordID();
What is the value of nextRecNum?

A) 4
B) 6
C) 5
D) 7

2. Which creates a new record store of type javax.microedition.rms.RecordStore that can be shared between MIDlet suites?

A) openRecordStore("cust", false, AUTHMODE_ANY, false);
B) openRecordStore("cust", true, AUTHMODE_ANY, false);
C) openRecordStore("cust", false, AUTHMODE_SHARED, false);
D) openRecordStore("cust", true, AUTHMODE_SHARED, false);

3. Which two specifications are mandatory in JTWI 1.0? (Choose two.)

A) WMA 1.1
B) MMAPI 1.1
C) WMA 1.0
D) Location API
E) MIDP 2.0

4. Given:
MIDlet-Push-1: datagram://:444, com.fooworks.PushExample, *
MIDlet-Push-2: datagram://:555, com.fooworks.PushExample, *
are statically registered push connections and given:
1 1. protected void startApp() {
1 2. String[] connections = PushRegistry.listConnections(true);
1 3. if(connections.length == 0) {
1 4. connections = PushRegistry.listConnections(false);
1 5. for (int i=0; i < connections.length; i++) {
1 6. new DatagramHandler(connections[i]).start();
1 7. }
1 8. } else {
1 9. for (int i=0; i < connections.length; i++) {
2 0. new DatagramHandler(connections[i]).start();
2 1. }
2 2. }
2 3. }
Which two identify what will go wrong if the code is invoked by the Application Management Software in response to an inbound connection notification? (Choose two.)

A) The first inbound datagram is ignored, all subsequent datagrams are handled by DatagramHandler.
B) Duplicate DatagramHandler objects are created if the MIDlet is paused and then resumed.
C) Datagrams for the active connection are handled, but any datagrams sent to the other port are missed.
D) The first inbound datagram is handled, but all other datagrams are missed.
E) An IOException is thrown if there are no active connections.

5. 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 segment CANNOT exceed 140 bytes.
D) The payload for an SMS message can use the BinaryMessage interface.
E) Multiple messages sent from point A to point B are NOT guaranteed to be delivered in the order in which they were sent.

Solutions: