Oracle 1Z0-869

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

1. What is the minimum number of received SMS messages that a JTWI device must be able to concatenate?

A) 5
B) 32
C) 3
D) no minimum
E) 10

2. 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?

A) The application will NOT install.
B) The requested property value from the MANIFEST.MF file is assigned to cert.
C) A runtime exception will occur.
D) The requested property value from the JAD file is assigned to cert.

3. What is the minimum number of simultaneously running threads that a JTWI 1.0 device must support for each MIDlet suite?

A) 1
B) two running threads for each class of the MIDlet suite
C) 3
D) 10

4. A JTWI device has a working socket implementation. A MIDlet requests permission to use socket connections on this device using the attribute MIDlet-Permissions-Opt, but is denied permission.
Given:
2 0. public void connect() {
2 1. try {
2 2. String addr = "socket://host.com:79";
2 3. SocketConnection sc;
2 4. sc = (SocketConnection) Connector.open(addr);
2 5. sc.setSocketOption(SocketConnection.LINGER, 5);
2 6. InputStream is = sc.openInputStream();
2 7. OutputStream os = sc.openOutputStream();
2 8. os.write("\\r\\n".getBytes());
2 9. int ch = is.read();
3 0. // ...
3 5. } catch (IOException ioe) {
3 6. // ...
4 0. }
4 1. }
Which is true assuming that the argument to Connector.open() points to a valid destination, and the device has resources to create new socket connections?

A) If connect() executes, a SecurityException is thrown at runtime at line 26.
B) If connect() executes, a ConnectionNotFoundException is thrown at runtime at line 24.
C) If connect() executes, a SecurityException is thrown at runtime at line 28.
D) If connect() executes, a SecurityException is thrown at runtime at line 24.
E) The device disallows the MIDlet to be installed.

5. Which two are true about deleting a record store? (Choose two.)

A) A record store can always be deleted if it is NOT open to any MIDlet in its suite.
B) Record stores accessible across MIDlet suites can never be deleted.
C) Registered listeners will be notified when their record store is deleted.
D) A record store can be deleted by any MIDlet that has access to it.
E) Any attempt to delete a record store can throw an exception that must be caught.
F) Permission to delete a record store is independent of its authorization mode.

Solutions: