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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% | - High-level UI components - Low-level UI and Canvas - Event handling and commands - MIDP Game API |
| Topic 3: MIDP Application Model & Lifecycle | 15% | - Push Registry mechanism - MIDlet lifecycle and states - JAD and JAR files structure - Application delivery and provisioning |
| Topic 4: JTWI Overview and Wireless Application Basics | 10% | - Architecture of JTWI-compliant applications - Java Technology for Wireless Industry (JSR 185) |
| Topic 5: Persistence & Storage | 10% | - Record Management System (RMS) - Data sharing and access control - Record stores and operations |
| Topic 6: Networking & Communication | 15% | - Generic Connection Framework (GCF) - Multimedia API (MMAPI) 1.1 - HTTP, HTTPS, Socket connections - Wireless Messaging API (WMA) 1.1 |
| Topic 7: Security | 10% | - CLDC and MIDP security model - Permissions and protection domains - Secure network communication |
Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional Sample Questions:
Which three dimensions of a standard-size application does the JTWI 1.0 specification define? (Choose three.)
- A. JAD size
- B. JAR size
- C. RMS data size
- D. screen size
- E. heap size
Correct Answer: A,B,C 🗳️
The developer is designing a game that uses the LayerManager and Sprite classes. Three Sprite objects are added to a LayerManager object and a call is placed to the LayerManager.paint(Graphics, x, y) method. In what order are the Sprite objects rendered to the device display?
- A. The Sprites are rendered in order of descending index.
- B. The Sprites are rendered in an implementation specific manner.
- C. The Sprites are rendered in a random order.
- D. The Sprites that are animated are rendered first.
Correct Answer: A 🗳️
Given the push connection string:
MIDlet-Push-1: socket://:79, com.sun.example.SampleChat, 192.3?.?.*
Which two addresses are allowed to push connection notifications to the application?
(Choose two.)
- A. 192.310.101.1
- B. 192.31.1.1
- C. 192.31.101.1
- D. 192.3.1.101
- E. 192.310.10.1
- F. 192.32.1.101
Correct Answer: B,F 🗳️
Which two are true about developing a MIDP 2.0-compliant user interface? (Choose two.)
- A. Double-buffering is not guaranteed when using Canvas.
- B. Command instances are always mapped to soft buttons on the device.
- C. Support for starting threads in an event handler is not guaranteed across all devices.
- D. TextBox is not a portable UI Displayable.
- E. The only way to guarantee that text displays properly on the screen is to use the low- level API and draw the string directly in the paint() method.
- F. Canvas is considered part of the low-level user interface API.
Correct Answer: A,F 🗳️
Which is the most efficient method to generate a silence between tones in a tone sequence?
- A. pause playback and set volume to -1
- B. use RateControl with ToneControl
- C. use the constant ToneControl.SILENCE
- D. stop the playback of the tone sequence and restart it
Correct Answer: C 🗳️
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