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Oracle 1Z0-869 Exam Syllabus Topics:

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

1. Click the Exhibit button.
Which two are true? (Choose two.)

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

2. When can a MIDlet suite be installed in the untrusted domain?

A) when suite is NOT signed with an X.509 PKI certificate
B) when suite is authenticated using an X.509 PKI certificate and the certificate is invalid
C) when suite is authenticated using an X.509 PKI certificate and the certificate is expired
D) when suite is authenticated using an X.509 PKI certificate and the certificate fails signature verification

3. What is TimeBase?

A) a top-level MMAPI interface
B) an MMAPI class implementing the Control interface
C) a top-level MIDP 2.0 interface
D) a MIDP 2.0 interface extending the Control interface

4. Click the Exhibit button.
What is the result?

A) myForm contains the string "run count: 2".
B) myForm contains the string "run count: 1".
C) An exception is thrown at runtime.
D) myForm contains the string "run count: 0".
E) myForm contains the string "waiting...".

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

Solutions: