Java Mobile Edition 1 Mobile Application Developer Certified Professional Exam: 1Z0-869 Exam
"Java Mobile Edition 1 Mobile Application Developer Certified Professional Exam", also known as 1Z0-869 exam, is a Oracle Certification. With the complete collection of questions and answers, ExamcollectionPass has assembled to take you through 340 Q&As to your 1Z0-869 Exam preparation. In the 1Z0-869 exam resources, you will cover every field and category in Java Technology Certification helping to ready you for your successful Oracle Certification.
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- Exam Code: 1Z0-869
- Exam Name: Java Mobile Edition 1 Mobile Application Developer Certified Professional Exam
- Certification Provider: Oracle
- Corresponding Certification: Java Technology
- Updated: Sep 14, 2026
- No. of Questions: 340 Questions & Answers with Testing Engine
- Download Limit: Unlimited
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Oracle 1Z0-869 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| CLDC Configuration | 15% | - CLDC 1.0 and CLDC 1.1 features - Memory and resource constraints - Connected Limited Device Configuration APIs |
| Networking & Communication | 15% | - Multimedia API (MMAPI) 1.1 - HTTP, HTTPS, Socket connections - Generic Connection Framework (GCF) - Wireless Messaging API (WMA) 1.1 |
| JTWI Overview and Wireless Application Basics | 10% | - Architecture of JTWI-compliant applications - Java Technology for Wireless Industry (JSR 185) |
| MIDP User Interface | 15% | - High-level UI components - MIDP Game API - Event handling and commands - Low-level UI and Canvas |
| Persistence & Storage | 10% | - Record stores and operations - Data sharing and access control - Record Management System (RMS) |
| MIDP Application Model & Lifecycle | 15% | - MIDlet lifecycle and states - JAD and JAR files structure - Push Registry mechanism - Application delivery and provisioning |
| Security | 10% | - CLDC and MIDP security model - Secure network communication - Permissions and protection domains |
Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional Sample Questions:
Which three are goals of the CLDC specification? (Choose three.)
- A. It does NOT provide device-specific APIs.
- B. It is intended as a systems programming environment.
- C. It is intended to be an application development platform.
- D. It allows device manufacturers to build more extensible devices.
- E. It allows developers to port existing applications to mobile devices.
Correct Answer: A,C,D 🗳️
Given:
2 1. MessageConnection mc;
2 2. mc = (MessageConnection) Connector.open("sms://:6222");
2 3. mc.setMessageListener(this);
2 4. reader = new MsgReader();
2 5. new Thread(reader).start();
2 6. //...
3 5. public void notifyIncomingMessage(MessageConnection mc2) {
3 6. //...
4 0. }
4 1. //...
5 0. class MsgReader implements Runnable {
5 1. //...
5 5. }
Which two are true? (Choose two.)
- A. This MIDlet must have a MIDlet-Push-<n> entry in its JAD file.
- B. This MIDlet uses asynchronous WMA message handling.
- C. This MIDlet typically includes a method call such as: mc.receive().
- D. This MIDlet must contain a call to PushRegister.registerConnection().
- E. This MIDlet uses synchronous WMA message handling.
Correct Answer: 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 a random order.
- B. The Sprites that are animated are rendered first.
- C. The Sprites are rendered in order of descending index.
- D. The Sprites are rendered in an implementation specific manner.
Correct Answer: C 🗳️
A MIDlet makes its only attempt to register a push connection on a JTWI device using:
PushRegistry.registerConnection(
"datagram://:79", midlet, "10.0.0.???");
Which is true?
- A. The MIDlet accepts datagram push connections on port 79 only from IP addresses in the range 10.0.0.100 to 10.0.0.255.
- B. The MIDlet accepts datagram push connections on port 79 only from IP addresses in the range 10.0.0.100 to 10.0.0.255 and on any other port from IP addresses other than those in the range 10.0.0.100 to 10.0.0.255.
- C. The call to registerConnection() causes an exception, because the
string 10.0.0.??? is an illegal argument. - D. The MIDlet accepts datagram push connections on port 79 only from IP addresses in the range 10.0.0.0 to 10.0.0.255.
Correct Answer: A 🗳️
Which creates a new record store of type javax.microedition.rms.RecordStore that can be shared between MIDlet suites?
- A. openRecordStore("cust", false, AUTHMODE_SHARED, false);
- B. openRecordStore("cust", true, AUTHMODE_SHARED, false);
- C. openRecordStore("cust", true, AUTHMODE_ANY, false);
- D. openRecordStore("cust", false, AUTHMODE_ANY, false);
Correct Answer: C 🗳️
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