Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional (1Z0-869) Free Practice Test
Question 1
Given the MIDlet code:
7 . public void exitApp() {
8 . Runtime rt = Runtime.getRuntime();
9 . rt.exit(0);
1 0. }
What is the result of a call to exitApp()?
7 . public void exitApp() {
8 . Runtime rt = Runtime.getRuntime();
9 . rt.exit(0);
1 0. }
What is the result of a call to exitApp()?
Correct Answer: B
Question 2
Which two media controls are guaranteed to be available to any MIDP 2.0 device? (Choose two.)
Correct Answer: B,D
Question 3
DRAG DROP
Click the Task button.
Place the connection strings on their corresponding connection interfaces.
Click the Task button.
Place the connection strings on their corresponding connection interfaces.
Correct Answer:
Question 4
What action can the device take when some Item objects on a Form do NOT fit when displayed?
Correct Answer: C
Question 5
Which statement is true about TiledLayer and Sprite objects maintained by a LayerManager object?
Correct Answer: C
Question 6
DRAG DROP
Click the Task button.
Place each code snippet where it belongs.
Click the Task button.
Place each code snippet where it belongs.
Correct Answer:
Question 7
DRAG DROP
Click the Task button.
Place the API label (high-level or low-level) on the code snippet to indicate whether or not the code is from the high-level or low-level API. Assume that all variable names reflect the object type used in the code.
Click the Task button.
Place the API label (high-level or low-level) on the code snippet to indicate whether or not the code is from the high-level or low-level API. Assume that all variable names reflect the object type used in the code.
Correct Answer:
Question 8
Given:
7 . ServerSocketConnection ssc
(ServerSocketConnection)Connector.open("socket://:5999");
8 . SocketConnection sc = (SocketConnection) ssc.acceptAndOpen();
Which entry in the JAD file is used to request multiple permissions?
7 . ServerSocketConnection ssc
(ServerSocketConnection)Connector.open("socket://:5999");
8 . SocketConnection sc = (SocketConnection) ssc.acceptAndOpen();
Which entry in the JAD file is used to request multiple permissions?
Correct Answer: C
Question 9
Which two errors are available in CLDC? (Choose two.)
Correct Answer: C,D
Question 10
Click the Exhibit button.
Given:
String cert = getAppProperty("MIDlet-Certificate-1-1");
What value is assigned to the cert variable when run on a MIDP 2.0 implementation?
Given:
String cert = getAppProperty("MIDlet-Certificate-1-1");
What value is assigned to the cert variable when run on a MIDP 2.0 implementation?
Correct Answer: C
Question 11
A MIDlet suite has the application descriptor fragment: MIDlet-1: E-mail, email.png, com.example.EmailMIDlet The MIDlet suite has the necessary permissions to use the PushRegistry. What line does the application descriptor need to register the MIDlet suite for socket push connections on port 79?
Correct Answer: B
Question 12
Given that rs is an object of type javax.microedition.rms.RecordStore and that record 1 exists in rs, and
2 1. String one = "short String";
2 2. String two = "a much longer String";
2 3. byte [] small = one.getBytes();
2 4. byte [] big = two.getBytes();
2 5. rs.setRecord(1, big, 0, big.length);
2 6. rs.setRecord(1, small, 0, small.length);
What is the result?
2 1. String one = "short String";
2 2. String two = "a much longer String";
2 3. byte [] small = one.getBytes();
2 4. byte [] big = two.getBytes();
2 5. rs.setRecord(1, big, 0, big.length);
2 6. rs.setRecord(1, small, 0, small.length);
What is the result?
Correct Answer: C
Question 13
Given:
2 1. MessageConnection mc;
2 2. mc = (MessageConnection) Connector.open("sms://:6222");
2 3. mc.setMessageListener(this);
2 4. reader = new MsgReader();
2 5. new Thread(reader).start();
2 6. //...
3 5. public void notifyIncomingMessage(MessageConnection mc2) {
3 6. //...
4 0. }
4 1. //...
5 0. class MsgReader implements Runnable {
5 1. //...
5 5. }
Which two are true? (Choose two.)
2 1. MessageConnection mc;
2 2. mc = (MessageConnection) Connector.open("sms://:6222");
2 3. mc.setMessageListener(this);
2 4. reader = new MsgReader();
2 5. new Thread(reader).start();
2 6. //...
3 5. public void notifyIncomingMessage(MessageConnection mc2) {
3 6. //...
4 0. }
4 1. //...
5 0. class MsgReader implements Runnable {
5 1. //...
5 5. }
Which two are true? (Choose two.)
Correct Answer: A,B