Oracle 1Z0-869 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: MIDP Application Model & Lifecycle | 15% | - JAD and JAR files structure - MIDlet lifecycle and states - Application delivery and provisioning - Push Registry mechanism |
| Topic 2: Networking & Communication | 15% | - HTTP, HTTPS, Socket connections - Generic Connection Framework (GCF) - Multimedia API (MMAPI) 1.1 - Wireless Messaging API (WMA) 1.1 |
| Topic 3: Persistence & Storage | 10% | - Data sharing and access control - Record stores and operations - Record Management System (RMS) |
| Topic 4: CLDC Configuration | 15% | - CLDC 1.0 and CLDC 1.1 features - Connected Limited Device Configuration APIs - Memory and resource constraints |
| Topic 5: Security | 10% | - Permissions and protection domains - CLDC and MIDP security model - Secure network communication |
| Topic 6: MIDP User Interface | 15% | - High-level UI components - MIDP Game API - Event handling and commands - Low-level UI and Canvas |
| Topic 7: JTWI Overview and Wireless Application Basics | 10% | - Java Technology for Wireless Industry (JSR 185) - Architecture of JTWI-compliant applications |
Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional Sample Questions:
Question 1
A MIDlet suite has the application descriptor fragment:
MIDlet-1: E-mail, email.png, com.example.EmailMIDlet
The MIDlet suite has the necessary permissions to use the PushRegistry.
What line does the application descriptor need to register the MIDlet suite for socket push connections on port 79?
A. MIDlet-Push-1: socket://:79, MIDlet-1, *
B. MIDlet-Push-1: socket://:79, E-mail, *
C. MIDlet-Push-1: socket://:79, EmailMIDlet, *
D. MIDlet-Push-1: socket://:79, com.example.EmailMIDlet, *
Question 2
Given a MIDlet suite with the following JAD file:
1 . MIDlet-1: MyMIDlet, MyMIDlet.png, MyMIDlet
2 . MIDlet-Jar-Size: 23040
3 . MIDlet-Name: MyFirstMIDlet
4 . MIDlet-Version: 1.0
5 . MIDlet-Jar-URL: http://mywebserver.com/mymidlets/MyMIDlet.jar
6 . MIDlet-Vendor:
MyCompany and manifest file:
1 . MIDlet-Name: MyFirstMIDlet
2 . MIDlet-Version: 1.1
3 . MIDlet-Vendor: MyCompany
4 . MIDlet-1: MyMIDlet, MyMIDlet.png,
MyMIDlet Which is true about the installation?
A. The installation fails due to an attribute mismatch.
B. The installation succeeds.
C. The installation fails because the manifest is invalid.
D. The installation fails because the JAD file is invalid.
Question 3
DRAG DROP
Click the Task button.
Place the appropriate platform label on the class name. If the class exists in both CLDC and J2SE, choose the "Exists in BOTH..." option, regardless of whether the package names are different.
Question 4
Click the Exhibit button.
What is the result?
A. myForm contains the string "run count: 0".
B. An exception is thrown at runtime.
C. myForm contains the string "run count: 1".
D. myForm contains the string "waiting...".
E. myForm contains the string "run count: 2".
Question 5
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 repaint() method.
B. The application blocks until the paint() method returns.
C. The application immediately calls the paint() method.
D. The application blocks until the repaint() method returns.
Solutions:
| Question 1 Answer: D | Question 2 Answer: A | Question 3 Answer: Only visible for members | Question 4 Answer: C | Question 5 Answer: B |
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