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問題 #1

Which creates a new record store of type javax.microedition.rms.RecordStore that can be shared between MIDlet suites?

A. openRecordStore("cust", true, AUTHMODE_SHARED, false);
B. openRecordStore("cust", false, AUTHMODE_ANY, false);
C. openRecordStore("cust", true, AUTHMODE_ANY, false);
D. openRecordStore("cust", false, AUTHMODE_SHARED, false);

問題 #2

Which three are top level interfaces in the javax.wireless.messaging package? (Choose three.)

A. MessageConnection
B. MessageListener
C. MessageHandler
D. Message
E. Connector
F. Datagram

問題 #3

Assuming an application descriptor contains: MIDlet-Data-Size: 4096 Which is true?

A. The device will permanently reserve 4096 bytes of heap space for the application.
B. The device will use 4096 bytes to buffer data the application receives over the network.
C. The device will permanently reserve 4096 bytes of RMS space for the application.
D. The device will use 4096 bytes to buffer data the application sends over the network.

問題 #4

Given:
5 0. class MyGameCanvas extends Canvas {
5 1. //...
6 0. public MyGameCanvas() {
6 1. int width1 = getWidth();
6 2. int height1 = getHeight();
6 3. //...
7 0. setFullScreenMode(true);
7 1. //...
8 0. int width2 = getWidth();
8 1. int height2 = getHeight();
8 2. //...
9 0. }
What is true about width1, height1 and width2, height2?

A. width1 is always equal to width2.
B. The call to setFullScreenMode() is ignored because the dimensions have already been set.
C. The system tries to provide maximum visible area to the MIDlet and these dimensions are width2, height2.
D. height1 is always equal to height2.

問題 #5

Which three functions are performed during the preverification process? (Choose three.)

A. obfuscate the application
B. augment the StackMap
C. compress the class file
D. remove certain bytecodes
E. data type checking

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