- Exam Code: 1Z0-869
- Exam Name: Java Mobile Edition 1 Mobile Application Developer Certified Professional Exam
- Updated: Sep 27, 2026
- Q & A: 340 Questions and Answers
Oracle 1Z0-869 actual dump : Java Mobile Edition 1 Mobile Application Developer Certified Professional Exam
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Oracle 1Z0-869 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: JTWI Overview and Wireless Application Basics | 10% | - Java Technology for Wireless Industry (JSR 185) - Architecture of JTWI-compliant applications |
| Topic 2: CLDC Configuration | 15% | - CLDC 1.0 and CLDC 1.1 features - Memory and resource constraints - Connected Limited Device Configuration APIs |
| Topic 3: MIDP Application Model & Lifecycle | 15% | - MIDlet lifecycle and states - Push Registry mechanism - JAD and JAR files structure - Application delivery and provisioning |
| Topic 4: MIDP User Interface | 15% | - High-level UI components - MIDP Game API - Event handling and commands - Low-level UI and Canvas |
| Topic 5: Networking & Communication | 15% | - Generic Connection Framework (GCF) - Multimedia API (MMAPI) 1.1 - HTTP, HTTPS, Socket connections - Wireless Messaging API (WMA) 1.1 |
| Topic 6: Security | 10% | - CLDC and MIDP security model - Permissions and protection domains - Secure network communication |
| Topic 7: Persistence & Storage | 10% | - Record Management System (RMS) - Record stores and operations - Data sharing and access control |
Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional Sample Questions:
Question #1
Which two clarifications does the JTWI specification make regarding how devices implement the Mobile Media API? (Choose two.)
- A. A JTWI device must support Real Time Streaming Protocol (RTSP) for media file download of all supported media formats.
- B. A JTWI device must support WAV file playback.
- C. A JTWI device must support MIDI file playback.
- D. A JTWI device must support MP3 file playback.
- E. A JTWI device must support HTTP for media file download of all supported media formats.
Correct Answer: C,E 🗳️
Question #2
Given the MIDlet code:
3 . public void go() {
4 . try {
5 . doStuff();
6 . } catch(java.lang.IllegalAccessError e) {
7 . aForm.append("An Error");
8 . }
9 . }
Assuming the aForm variable on line 7 is a correctly initialized Form and set to the current display, what is the result?
- A. Compilation fails due to a problem on line 6.
- B. The MIDlet fails at runtime due to a problem on line 6.
- C. The MIDlet fails at runtime due to a problem on line 7.
- D. Compilation fails due to a problem on line 7.
- E. An Error is printed to the display if an IllegalAccessError occurs.
Correct Answer: A 🗳️
Question #3
Which two are true about the javax.wireless.messaging.MessageConnection interface?
(Choose two.)
- A. It provides methods to create Connector objects.
- B. This interface is intended for all wireless messaging protocols.
- C. Threads that are waiting to receive messages must be blocking threads.
- D. An application can have both client and server mode MessageConnection instances open simultaneously.
- E. When creating a client mode message, a string that identifies an endpoint on the local host should be passed to Connector.open().
Correct Answer: B,D 🗳️
Question #4
Given:
1 . import javax.microedition.midlet.*;
2 . public class Foo extends MIDlet {
3 . public void go() {
4 . ThreadGroup x = Thread.currentThread().getThreadGroup();
5 . int numThreads = x.activeCount();
6 . Thread[] threads = null;
7 . x.enumerate(threads);
8 . }
9 . public void destroyApp(boolean b) { }
1 0. public void pauseApp() { }
1 1. public void startApp() { }
1 2. }
What is the result?
- A. Compilation fails because of an error on line 4.
- B. Compilation fails because of an error on a line other than 4 or 7.
- C. Compilation fails because of an error on line 7.
- D. Compilation succeeds and the program runs without errors.
- E. Compilation succeeds, but the program produces a runtime exception or error.
Correct Answer: A 🗳️
Question #5
Which two methods are available only within classes of the MIDP high-level UI API?
(Choose two.)
- A. getKeyName()
- B. notifyStateChanged()
- C. isDoubleBuffered()
- D. getTitle()
Correct Answer: B,D 🗳️
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