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Oracle 1Z0-869 Exam Syllabus Topics:

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

1. DRAG DROP
Click the Task button.
Place the connection strings on their corresponding connection interfaces.

2. Given:
3 9. Image image = Image.createImage(20, 20);
4 0. Graphics g = image.getGraphics();
4 1. g.setColor(0xFF0000); //RED
4 2. g.fillRect(0, 0,
4 3. 20, 20);
4 4. Alert alert= new Alert("WARNING!");
4 5. alert.setImage(image);
4 6. g.setColor(0x000000); //BLACK
4 7. g.fillRect(0, 0,
4 8. 20, 20);
What is the result when the Alert is shown?

A) Either a red square or a black square is shown depending on the implementation.
B) A red square is shown on the Alert.
C) A black square is shown on the Alert.
D) A runtime exception is thrown.

3. Which two are true about errors and exceptions in a CLDC-compliant virtual machine?
(Choose two.)

A) Developers do NOT receive asynchronous exceptions from a CLDC-compliant virtual machine.
B) Rather than throwing the Error class specified by the Java Language Specification, the CLDC-compliant virtual machine may throw a CLDC-supported superclass.
C) Developers must throw only checked (non-runtime) exceptions.
D) Developers are NOT allowed to handle errors.
E) A CLDC-compliant virtual machine must NOT throw a VirtualMachineError.

4. Given the MIDlet code:
3 . public void go() {
4 . try {
5 . doStuff();
6 . } catch(java.lang.IllegalAccessError e) {
7 . aForm.append("An Error");
8 . }
9 . }
Assuming the aForm variable on line 7 is a correctly initialized Form and set to the current display, what is the result?

A) The MIDlet fails at runtime due to a problem on line 6.
B) An Error is printed to the display if an IllegalAccessError occurs.
C) Compilation fails due to a problem on line 6.
D) Compilation fails due to a problem on line 7.
E) The MIDlet fails at runtime due to a problem on line 7.

5. Assume a device supports datagrams and a MIDlet has permission to use datagram connections. Which two are true? (Choose two.)

A) Push registration can fail if another application has already reserved the connection on the device.
B) Push registration can fail if the allowed sender filter specified is *, which poses a security risk to the device.
C) Push registration can fail if there is a push registration conflict, but the user must be prompted as to how to resolve the problem.
D) Push registration can fail because the device does NOT support the use of datagrams by the PushRegistry.

Solutions: