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Oracle 1Z0-869 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Networking & Communication | 15% | - Wireless Messaging API (WMA) 1.1 - Generic Connection Framework (GCF) - HTTP, HTTPS, Socket connections - Multimedia API (MMAPI) 1.1 |
| Topic 2: MIDP Application Model & Lifecycle | 15% | - Push Registry mechanism - Application delivery and provisioning - JAD and JAR files structure - MIDlet lifecycle and states |
| Topic 3: Persistence & Storage | 10% | - Data sharing and access control - Record Management System (RMS) - Record stores and operations |
| Topic 4: JTWI Overview and Wireless Application Basics | 10% | - Java Technology for Wireless Industry (JSR 185) - Architecture of JTWI-compliant applications |
| Topic 5: Security | 10% | - Permissions and protection domains - CLDC and MIDP security model - Secure network communication |
| Topic 6: MIDP User Interface | 15% | - Low-level UI and Canvas - MIDP Game API - High-level UI components - Event handling and commands |
| Topic 7: CLDC Configuration | 15% | - Memory and resource constraints - CLDC 1.0 and CLDC 1.1 features - Connected Limited Device Configuration APIs |
Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional Sample Questions:
1. 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) Pi: 3.14 is sent to the system console.
B) An exception is thrown at runtime.
C) Compilation fails.
D) Pi: 3.14 is sent to the device display.
2. Click the Exhibit button.
What is visible on the display when this MIDlet is executed?
A) The screen continuously switches back and forth between black and white.
B) A white screen is shown momentarily, and then a black screen is shown.
C) A java.lang.RuntimeException is thrown.
D) A black screen is shown momentarily, and then a white screen is shown.
3. Which two are true regarding a device that implements JTWI? (Choose two.)
A) The device must implement at least the lowest version of the API as identified by the JTWI specification.
B) The device may implement a higher version of the API as identified by the JTWI specification.
C) The device is NOT required to implement all of the MIDP 2.0 API as identified by the MIDP 2.0 specification.
D) The device must implement the highest version of the API as identified by the JTWI specification.
4. Which two guarantee a wireless message will be removed from the incoming message buffer by the Application Management Software? (Choose two.)
A) The message does NOT pass the filter defined in the connection URL.
B) The incoming message buffer is full.
C) The application has processed the incoming message.
D) The user denies permission to execute the application.
5. Which two are true about errors and exceptions in a CLDC-compliant virtual machine?
(Choose two.)
A) Rather than throwing the Error class specified by the Java Language Specification, the CLDC-compliant virtual machine may throw a CLDC-supported superclass.
B) Developers must throw only checked (non-runtime) exceptions.
C) Developers do NOT receive asynchronous exceptions from a CLDC-compliant virtual machine.
D) A CLDC-compliant virtual machine must NOT throw a VirtualMachineError.
E) Developers are NOT allowed to handle errors.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: A,B | Question # 4 Answer: A,C | Question # 5 Answer: A,C |
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