Oracle 1Z0-869 시험 개요:

Oracle 1Z0-869 시험 요강 주제:

최신 Java Technology 1Z0-869 무료샘플문제

1. Which is true regarding the javax.wireless.messaging package?

A) This API is designed to run exclusively on the GSM SMS protocol.
B) Message objects are assumed always to be blocks of binary data.
C) The messaging protocols that use this API are typically store-and-forward.
D) Messages are usually lost if the recipient is not connected at the time of sending.

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

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

3. Which two are true about record stores? (Choose two.)

A) MIDlet suites that contain shared record stores are identified by using attributes from that suite's JAR file.
B) A MIDlet CANNOT access a given record store using multiple simultaneous threads.
C) Record store names are case sensitive.
D) If two MIDlet suites each have a record store with the same name, then those suites CANNOT share those identically named record stores.
E) The API does NOT provide locking operations for record stores.

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

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

5. Given:
1 0. public class ExampleMIDlet extends MIDlet {
1 1. //...
2 0. public boolean hasCompleted() {
2 1. //...
3 0. }
3 1. public boolean isLowOnMemory() {
3 2. //...
4 0. }
4 1. public void destroyApp(boolean arg) {
4 2. if (X) throw new MIDletStateChangeException();
4 3. }
4 4. //...
5 0. }
Which substitution for X conforms to the MIDP specification?

A) !hasCompleted()
B) !arg || !hasCompleted()
C) true
D) arg && isLowOnMemory()
E) !arg
F) isLowOnMemory()

질문과 대답: