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Oracle 1Z0-869 Exam Syllabus Topics:

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

1. Which two methods are available only within classes of the MIDP low-level UI API?
(Choose two.)

A) setFullScreenMode()
B) hasRepeatEvents()
C) notifyStateChanged()
D) getLayout()
E) setPreferredSize()

2. Which two are true regarding error handling for classes that exist in both CLDC and J2SE?
(Choose two.)

A) If a class throws an error in CLDC, it should throw the same error as in J2SE or its nearest superclass.
B) There is no correspondence between the errors defined by CLDC and J2SE because the needs of CLDC and J2SE are so different.
C) The set of error classes is essentially the same in CLDC and J2SE.
D) The set of error classes is much reduced in CLDC to help reduce the overhead of the JVM.

3. Given:
DatagramConnection dConnection = (DatagramConnection)
Connector.open("datagram://:9009");
Which is true?

A) A client mode datagram connection is created only for sending datagrams.
B) A server mode datagram connection is created for both sending and receiving datagrams by way of the same port.
C) A server mode datagram connection is created for both sending and receiving datagrams using different ports.
D) A client mode datagram connection is created for receiving datagrams.

4. Which is used to retrieve the version of MIDP a device has implemented?

A) System.getProperty("microedition.configuration")
B) System.getProperty("microedition.platform")
C) System.getAppProperty("microedition.platform")
D) System.getProperty("microedition.profiles")
E) System.getAppProperty("microedition.profiles")

5. Given the MIDlet code:
3 . public void go() {
4 . try {
5 . doStuff();
6 . } catch(java.lang.IllegalAccessError e) {
7 . aForm.append("An Error");
8 . }
9 . }
Assuming the aForm variable on line 7 is a correctly initialized Form and set to the current display, what is the result?

A) Compilation fails due to a problem on line 6.
B) The MIDlet fails at runtime due to a problem on line 6.
C) An Error is printed to the display if an IllegalAccessError occurs.
D) The MIDlet fails at runtime due to a problem on line 7.
E) Compilation fails due to a problem on line 7.

Solutions: