1Z0-869 exam dumps

Oracle 1Z0-869 Value Package

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  • Exam Code: 1Z0-869
  • Exam Name: Java Mobile Edition 1 Mobile Application Developer Certified Professional Exam
  • No. of Questions: 340 Questions and Answers
  • Updated: Sep 09, 2026

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Oracle 1Z0-869 Exam Syllabus Topics:

SectionObjectives
APIs and Specifications- Media Using MIDP 2.0 and MMAPI 1.1
- Networking
- Wireless Messaging API 1.1
- Security (CLDC and MIDP)
Java ME Technologies- MIDP User Interface API
- Push Registry
- MIDP Persistent Storage
- CLDC 1.0 and 1.1
- MIDP Game API
JTWI and Wireless Application Overview- JTWI (JSR 185) and Overview of JTWI-Compliant Wireless Applications

Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional Sample Questions:

Which creates a new record store of type javax.microedition.rms.RecordStore that can be shared between MIDlet suites?

  • A. openRecordStore("cust", true, AUTHMODE_SHARED, false);
  • B. openRecordStore("cust", true, AUTHMODE_ANY, false);
  • C. openRecordStore("cust", false, AUTHMODE_SHARED, false);
  • D. openRecordStore("cust", false, AUTHMODE_ANY, false);
Answer: B

Given the MIDlet code:
11. DatagramConnection dgc
(DatagramConnection)Connector.open("datagram://:444");
1 2. Datagram datagram = dgc.newDatagram(20);
1 3. dgc.receive(datagram);
1 4. byte[] data = datagram.getData();
1 5. String s = new String(data);
1 6. list.append(s, null);
1 7. System.out.println("Datagram received: " + s);
Which two are true regarding the portability of the code between devices? (Choose two.)

  • A. The code is portable because all the classes and interfaces used are defined in the CLDC.
  • B. Port 444 may be restricted or ignored by some MIDP implementations.
  • C. Installation will fail on devices that do not support datagrams.
  • D. Datagrams may not be supported on all platforms.
Answer: B,D

Which is true about the installation status report definition?

  • A. A MIDlet suite CANNOT be removed until the installation notification has been successfully sent and the acknowledgement has been received.
  • B. The only protocols supported for the status report notification are HTTP and UDP.
  • C. In response to an installation status report, the server must reply with a 200 OK. HTTP acknowledgement response.
  • D. If the installation status report CANNOT be sent, the device must refuse the installation of the MIDlet suite.
Answer: C

Given the MIDlet code:
11. try {
1 2. while (true) {
1 3. ServerSocketConnection server = (ServerSocketConnection)
1 4. Connector.open("socket://:444", Connector.READ, true);
1 5. SocketConnection conn= (SocketConnection)
1 6. server.acceptAndOpen();
1 7. InputStream is = conn.openInputStream();
1 8. StringBuffer buffer = new StringBuffer();
1 9. for (int ch = -1; (ch = is.read()) != -1; ){
2 0. buffer.append((char)ch);
2 1. }
2 2. System.out.println(buffer);
2 3. }
2 4. } catch (IOException x) {}
Which two are true? (Choose two.)

  • A. The device may run out of connections.
  • B. The ServerSocketConnection is guaranteed to timeout at line 16 if there is no activity on the connection after a period of time.
  • C. An IOException could occur, causing the while loop to terminate.
  • D. The call to server.acceptAndOpen() on line 16 returns immediately if there is no activity on the connection.
Answer: A,C

Which is true about the garbage collector?

  • A. It effectively prevents memory leaks.
  • B. It always uses the mark and sweep algorithm.
  • C. It manages all memory deallocation.
  • D. It needs to be run by the developer.
Answer: C

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