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Oracle 1Z0-869 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: CLDC Configuration | 15% | - CLDC 1.0 and CLDC 1.1 features - Memory and resource constraints - Connected Limited Device Configuration APIs |
| Topic 2: MIDP User Interface | 15% | - Low-level UI and Canvas - High-level UI components - Event handling and commands - MIDP Game API |
| Topic 3: Security | 10% | - Permissions and protection domains - CLDC and MIDP security model - Secure network communication |
| Topic 4: Persistence & Storage | 10% | - Record stores and operations - Data sharing and access control - Record Management System (RMS) |
| Topic 5: Networking & Communication | 15% | - Wireless Messaging API (WMA) 1.1 - HTTP, HTTPS, Socket connections - Generic Connection Framework (GCF) - Multimedia API (MMAPI) 1.1 |
| Topic 6: JTWI Overview and Wireless Application Basics | 10% | - Java Technology for Wireless Industry (JSR 185) - Architecture of JTWI-compliant applications |
| Topic 7: MIDP Application Model & Lifecycle | 15% | - Application delivery and provisioning - MIDlet lifecycle and states - Push Registry mechanism - JAD and JAR files structure |
Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional Sample Questions:
1. Given the MIDlet code:
1 1. public void startApp() {
1 2. Form f = new Form("hello");
1 3. Display.getDisplay(this).setCurrent(f);
1 4. System.gc();
1 5. System.exit(0);
1 6. f.append("foo");
1 7. }
What is the result?
A) The application runs without exception, but foo is not printed.
B) The application runs, but line 15 is ignored.
C) The application runs, but throws an exception at runtime.
D) The application runs, and foo prints to the current display.
E) Compilation fails.
2. Which two are true about JTWI devices using SMS? (Choose two.)
A) Multiple messages sent from point A to point B are NOT guaranteed to be delivered in the order in which they were sent.
B) Java applications are restricted to using port numbers between 2000 and 9207.
C) The payload for an SMS message can use the BinaryMessage interface.
D) The payload for an SMS message segment CANNOT exceed 140 bytes.
E) A message which is too big to be sent in a single segment is NOT guaranteed to have its segments arrive at the application in the order in which they were sent.
3. Click the Exhibit button.
What is the result?
A) An exception is thrown at runtime.
B) myForm contains the string "run count: 0".
C) myForm contains the string "run count: 2".
D) myForm contains the string "run count: 1".
E) myForm contains the string "waiting...".
4. 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 blocks until the repaint() method returns.
B) The application immediately calls the paint() method.
C) The application immediately calls the repaint() method.
D) The application blocks until the paint() method returns.
5. Which two events can result in the removal of a MIDlet's dynamic push connection registration? (Choose two.)
A) When the MIDlet is uninstalled.
B) When MIDlet.destroyApp() is called.
C) Using a call to PushRegistry.registerConnection().
D) Using a call to PushRegistry.removeConnection().
E) Using a call to PushRegistry.unregisterConnection().
F) Opening the connection using Connector.open().
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: A,C | Question # 3 Answer: D | Question # 4 Answer: D | Question # 5 Answer: A,E |






