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Oracle 1Z0-869 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| MIDP Application Model & Lifecycle | 15% | - MIDlet lifecycle and states - Push Registry mechanism - Application delivery and provisioning - JAD and JAR files structure |
| CLDC Configuration | 15% | - CLDC 1.0 and CLDC 1.1 features - Memory and resource constraints - Connected Limited Device Configuration APIs |
| JTWI Overview and Wireless Application Basics | 10% | - Architecture of JTWI-compliant applications - Java Technology for Wireless Industry (JSR 185) |
| Networking & Communication | 15% | - Multimedia API (MMAPI) 1.1 - Wireless Messaging API (WMA) 1.1 - HTTP, HTTPS, Socket connections - Generic Connection Framework (GCF) |
| Persistence & Storage | 10% | - Record stores and operations - Record Management System (RMS) - Data sharing and access control |
| MIDP User Interface | 15% | - MIDP Game API - Low-level UI and Canvas - Event handling and commands - High-level UI components |
| Security | 10% | - Permissions and protection domains - Secure network communication - CLDC and MIDP security model |
Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional Sample Questions:
Question 1
Given the MIDlet code:
7. String s = System.getProperty("microedition.configuration");
8 . if (!s.equals("CLDC-1.1")) {
9 . s = "CLDC-1.1";
1 0. }
1 1. System.setProperty(s);
Which statement is true?
A. Compilation fails because of an error in line 7.
B. Compilation fails because of an error in line 11.
C. SecurityException is thrown at runtime.
D. Property is set to "CLDC-1.1."
Question 2
Given the MIDlet code:
7 . public void exitApp() {
8 . Runtime rt = Runtime.getRuntime();
9 . rt.exit(0);
1 0. }
What is the result of a call to exitApp()?
A. A SecurityException is thrown at line 9.
B. Compilation fails because of an error on line 8.
C. Compilation fails because of an error on line 9.
D. exitApp() completes execution successfully.
Question 3
Which interaction generates an application event in a MIDlet that uses only high-level APIs?
A. navigation
B. scrolling
C. responding to a command
D. making a choice in a multiple choice List
Question 4
Which two are true about errors and exceptions in a CLDC-compliant virtual machine?
(Choose two.)
A. Developers are NOT allowed to handle errors.
B. Developers do NOT receive asynchronous exceptions from a CLDC-compliant virtual machine.
C. Developers must throw only checked (non-runtime) exceptions.
D. A CLDC-compliant virtual machine must NOT throw a VirtualMachineError.
E. Rather than throwing the Error class specified by the Java Language Specification, the CLDC-compliant virtual machine may throw a CLDC-supported superclass.
Question 5
Which three are defined as user interaction permission modes? (Choose three.)
A. blanket
B. application
C. oneshot
D. global
E. session
Solutions:
| Question 1 Answer: B | Question 2 Answer: A | Question 3 Answer: C | Question 4 Answer: B,E | Question 5 Answer: A,C,E |




