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Oracle 1Z0-869 Exam Syllabus Topics:

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

Question 1

Given:
1 4. Canvas canvas;
1 5. // ...
2 4. canvas.repaint(10,10,20,20);
2 5. canvas.serviceRepaints();
What occurs when serviceRepaints() is called?

A. The application immediately calls the paint() method.
B. The application blocks until the repaint() method returns.
C. The application immediately calls the repaint() method.
D. The application blocks until the paint() method returns.

Question 2

DRAG DROP
Click the Task button.
Place each class on its corresponding specification.

Question 3

Given the MIDlet code:
7 . public void exitApp() {
8 . Runtime rt = Runtime.getRuntime();
9 . rt.exit(0);
1 0. }
What is the result of a call to exitApp()?

A. exitApp() completes execution successfully.
B. A SecurityException is thrown at line 9.
C. Compilation fails because of an error on line 8.
D. Compilation fails because of an error on line 9.

Question 4

A mobile application developer is trying to reduce the memory footprint of a game using the MIDP Game API? Which is a valid approach?

A. use a single bitmap background rather than multiple tiles
B. reuse a single GameCanvas throughout the application
C. restrict the number of frames per Sprite to one
D. implement keyPressed() and keyReleased()

Question 5

Which two are true? (Choose two.)

A. GameCanvas can render only Sprite and Layer objects.
B. GameCanvas provides an off-screen buffer.
C. GameCanvas provides the ability to get the states of the physical keys of the device.
D. GameCanvas extends Canvas and is NOT abstract.

Solutions: