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Oracle 1Z0-869 Exam Syllabus Topics:

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

Question #1
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. An IOException is thrown if there are no active connections.
B. The first inbound datagram is ignored, all subsequent datagrams are handled by DatagramHandler.
C. Duplicate DatagramHandler objects are created if the MIDlet is paused and then resumed.
D. The first inbound datagram is handled, but all other datagrams are missed.
E. Datagrams for the active connection are handled, but any datagrams sent to the other port are missed.

Question #2
Which declaration is illegal?

A. openRecordStore("High_Scores_Stored_by_City_and_Name", false);
B. openRecordStore("Customer_Name_and_Address", true);
C. openRecordStore("Customer_Projections", true, RecordStore.AUTHMODE_ANY, true);
D. openRecordStore("Salesperson_Projections_by_Month", "acme", "sales");

Question #3
What is the minimum configuration that JTWI 1.0 requires?

A. CLDC 1.1
B. CDC
C. no specific configuration
D. CLDC 1.0

Question #4
A MIDlet needs to receive incoming socket push notifications. It requests only the permissions:
javax.microedition.io.PushRegistry javax.microedition.io.Connector.socket javax.microedition.io.Connector.serversocket Which is true?

A. When an incoming socket connection activates the MIDlet, the MIDlet will always be unable to retrieve that connection while starting up.
B. When an incoming socket connection activates the MIDlet, the MIDlet can always retrieve that connection while starting up.
C. When an incoming socket connection activates the MIDlet, the MIDlet may be unable to retrieve that connection while starting up.
D. The MIDlet CANNOT receive incoming socket push notifications without the permission javax.microedition.io.Connector.socketreceiver.

Question #5
Click the Exhibit button. Which two are true? (Choose two.)

A. The commandAction() method code in class A is NOT guaranteed to be portable across all MIDP 2.0-compliant devices.
B. In class B, no new events will be delivered to the application until after the commandAction() method completes.
C. The event-handling in class A will NOT print done with action until after the run() method has completed.
D. The commandAction() method code in class B is compliant with the event-handling approach recommended in the MIDP 2.0 specification.
E. In class A, no new events will be delivered to the application until after the commandAction() method completes.
F. The event-handling mechanism in class A allows multiple command events to be delivered to the application in parallel.

Solutions: