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Oracle 1Z0-869 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: CLDC Configuration | 15% | - Memory and resource constraints - Connected Limited Device Configuration APIs - CLDC 1.0 and CLDC 1.1 features |
| Topic 2: MIDP Application Model & Lifecycle | 15% | - Push Registry mechanism - Application delivery and provisioning - MIDlet lifecycle and states - JAD and JAR files structure |
| Topic 3: JTWI Overview and Wireless Application Basics | 10% | - Java Technology for Wireless Industry (JSR 185) - Architecture of JTWI-compliant applications |
| Topic 4: Networking & Communication | 15% | - HTTP, HTTPS, Socket connections - Wireless Messaging API (WMA) 1.1 - Multimedia API (MMAPI) 1.1 - Generic Connection Framework (GCF) |
| Topic 5: MIDP User Interface | 15% | - High-level UI components - MIDP Game API - Low-level UI and Canvas - Event handling and commands |
| Topic 6: Persistence & Storage | 10% | - Record Management System (RMS) - Data sharing and access control - Record stores and operations |
| Topic 7: Security | 10% | - Secure network communication - Permissions and protection domains - CLDC and MIDP security model |
Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional Sample Questions:
Which two methods are available in both the low-level and high-level APIs? (Choose two.)
- A. setFullScreenMode()
- B. getTitle()
- C. getLayout()
- D. isShown()
Correct Answer: B,D 🗳️
Given:
1 0. Player p = Manager.createPlayer(Manager.TONE_DEVICE_LOCATOR);
1 1. VolumeControl vc = p.getVolumeControl();
1 2. vc.setLevel(42);
1 3. vc.setMute(true);
1 4. System.out.println(vc.getLevel());
Which is printed to the console?
- A. null
- B. 0
- C. -1
- D. 42
Correct Answer: D 🗳️
Given:
MIDlet-Push-1: datagram://:444, com.fooworks.PushExample, *
MIDlet-Push-2: datagram://:555, com.fooworks.PushExample, *
are statically registered push connections and given:
1 1. protected void startApp() {
1 2. String[] connections = PushRegistry.listConnections(true);
1 3. if(connections.length == 0) {
1 4. connections = PushRegistry.listConnections(false);
1 5. for (int i=0; i < connections.length; i++) {
1 6. new DatagramHandler(connections[i]).start();
1 7. }
1 8. } else {
1 9. for (int i=0; i < connections.length; i++) {
2 0. new DatagramHandler(connections[i]).start();
2 1. }
2 2. }
2 3. }
Which two identify what will go wrong if the code is invoked by the Application Management Software in response to an inbound connection notification? (Choose two.)
- A. The first inbound datagram is ignored, all subsequent datagrams are handled by DatagramHandler.
- B. The first inbound datagram is handled, but all other datagrams are missed.
- C. An IOException is thrown if there are no active connections.
- D. Duplicate DatagramHandler objects are created if the MIDlet is paused and then resumed.
- E. Datagrams for the active connection are handled, but any datagrams sent to the other port are missed.
Correct Answer: D,E 🗳️
Which three are basic interface types addressed by the Generic Connection Framework?
(Choose three.)
- A. location-oriented mechanism
- B. telephony-oriented mechanism
- C. basic serial input connection
- D. circuit-oriented mechanism
- E. basic serial output connection
Correct Answer: C,D,E 🗳️
Given the MIDlet code:
7 .//..
1 0.public void startApp(){
1 1.Float f = new Float(3.14);
1 2.System.out.println("Pi: " + f);
1 3.
1 4.}
1 5.//..
What is the result when working with a CLDC 1.1 implementation?
- A. An exception is thrown at runtime.
- B. Pi: 3.14 is sent to the device display.
- C. Compilation fails.
- D. Pi: 3.14 is sent to the system console.
Correct Answer: D 🗳️
