Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional : 1Z0-869

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

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

2. In the JTWI 1.0 specification, what is the recommended screen size as returned by Canvas.getHeight() and Canvas.getWidth(), when in full screen mode?

A) 176x208 pixels
B) 125x125 pixels
C) 320x240 pixels
D) 96x54 pixels

3. Given:
1 5. String addr = "sms://+14155557296";
1 6. MessageConnection conn
1 7. = (MessageConnection) Connector.open(addr);
1 8. // insert code here
1 9. message.setPayloadData(imageBytes);
Assume imageBytes is a valid byte array.
Which statement, inserted at line 18, causes the rest of the code fragment to compile correctly?

A) BinaryMessage message = new BinaryMessage();
B) Message message
conn.newMessage(MessageConnection.BINARY_MESSAGE);
C) BinaryMessage message = (BinaryMessage)
conn.newMessage(MessageConnection.BINARY_MESSAGE);
D) Message message = new BinaryMessage();

4. Which three dimensions of a standard-size application does the JTWI 1.0 specification define? (Choose three.)

A) JAD size
B) heap size
C) JAR size
D) RMS data size
E) screen size

5. When a LayerManager is rendered, the contents of its Sprite objects and TiledLayer objects are rendered using their position information. How are those areas of the LayerManager that are not occupied by a Sprite or TiledLayer rendered?

A) The pixels in the destination are painted with Display.COLOR_BACKGROUND.
B) The pixels in the destination are painted white.
C) They CANNOT be rendered. The developer must ensure that these lie outside of the clip region.
D) The pixels in the destination are left untouched.

Solutions: