Which two are true regarding a device that implements JTWI? (Choose two.)

• A. The device is NOT required to implement all of the MIDP 2.0 API as identified by the MIDP 2.0 specification.
• B. The device may implement a higher version of the API as identified by the JTWI specification.
• C. The device must implement at least the lowest version of the API as identified by the JTWI specification.
• D. The device must implement the highest version of the API as identified by the JTWI specification.

obscure is a content type unsupported on a device that executes: 10. String locator
"http://foobar.sun.com/content.obscure"; 11. Player player
Manager.createPlayer(locator); Which is true?

• A. An exception is thrown at runtime.
• B. The file is interpreted as an ASCII file.
• C. player is set to null.
• D. The file is interpreted as an HTML file.

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

A mobile application developer is trying to increase the performance of a game using the MIDP Game API. Which two are legal, valid approaches that fulfill the developer's goal?
(Choose two.)

• A. base collision detection on rectangle boundaries
• B. always ensure that the view window is larger than the visible screen
• C. poll for key states only when necessary
• D. implement keyPressed(), keyReleased(), and keyRepeated()
• E. restrict the number of frames per Sprite to one