1Z0-869 Exam Details

  • Exam Code
    :1Z0-869
  • Exam Name
    :Java Mobile Edition 1 Mobile Application Developer Certified Professional
  • Certification
    :Oracle Certifications
  • Vendor
    :Oracle
  • Total Questions
    :340 Q&As
  • Last Updated
    :Jun 20, 2026

Oracle 1Z0-869 Online Questions & Answers

  • Question 311:

    Given:

    DataInputStream incoming =

    Connector.openDataInputStream("sms://+3125551234:3434");

    Which is true?

    A. The + in the URL is positioned incorrectly.
    B. The port number indicated is a protected SMS port.
    C. Port numbers are NOT allowed in SMS URLs.
    D. MessageConnection does NOT support InputStream objects.

  • Question 312:

    A JTWI device has a working socket implementation. A MIDlet requests permission to use socket connections on this device using the attribute MIDlet-Permissions-Opt, but is denied permission. Given:

    20.

    public void connect() {

    21.

    try {

    22.

    String addr = "socket://host.com:79";

    23.

    SocketConnection sc;

    24.

    sc = (SocketConnection) Connector.open(addr);

    25.

    sc.setSocketOption(SocketConnection.LINGER, 5);

    26.

    InputStream is = sc.openInputStream();

    27.

    OutputStream os = sc.openOutputStream();

    28.

    os.write("\\r\\n".getBytes());

    29.

    int ch = is.read();

    30.

    // ...

    35.

    } catch (IOException ioe) {

    36.

    // ...

    40.

    }

    41.

    }

    Which is true assuming that the argument to Connector.open() points to a valid destination, and the device has resources to create new socket connections?

    A. The device disallows the MIDlet to be installed.
    B. If connect() executes, a SecurityException is thrown at runtime at line 26.
    C. If connect() executes, a SecurityException is thrown at runtime at line 28.
    D. If connect() executes, a ConnectionNotFoundException is thrown at runtime at line 24.
    E. If connect() executes, a SecurityException is thrown at runtime at line 24.

  • Question 313:

    Given:

    7.

    ServerSocketConnection ssc = (ServerSocketConnection)Connector.open("socket://:5999");

    8.

    SocketConnection sc = (SocketConnection) ssc.acceptAndOpen(); Which entry in the JAD file is used to request multiple permissions?

    A. MIDlet-Permission: javax.microedition.io.Connector.socket, javax.microedition.io.Connector.serversocket
    B. MIDlet-Permission: javax.microedition.io.Connector.socket; javax.microedition.io.Connector.serversocket
    C. MIDlet-Permission: javax.microedition.io.Connector.socket MIDlet-Permission: javax.microedition.io.Connector.serversocket
    D. MIDlet-Permission: javax.microedition.io.socket MIDlet-Permission: javax.microedition.io.socketserver
    E. MIDlet-Permission: javax.microedition.io.socket; javax.microedition.serversocket

  • Question 314:

    How would a MIDlet that uses a GameCanvas efficiently update only a small region of the screen, from the data in the off-screen buffer?

    A. call flushGraphics(int, int, int, int) that specifies the region to be flushed
    B. call serviceRepaints() and set a clip region on the Graphics object in paint()
    C. Pixels that are NOT to be flushed should be made transparent.
    D. write extra code to coalesce the flushGraphics() calls over many loops into one call

  • Question 315:

    Given:

    10.

    MessageConnection connection;

    11.

    12.

    public void startApp() {

    13.

    //...

    14.

    connection

    15.

    = (MessageConnection) Connector.open("sms://:6222");

    16.

    connection.setMessageListener(this);

    17.

    // ...

    28.

    }

    29.

    30.

    public void notifyIncomingMessage(MessageConnection conn) {

    31.

    //...

    40.

    }

    41.

    42.

    public void run() {

    43.

    Message msg = conn.receive();

    44.

    //...

    60. }

    Which two security permissions must this application request to be able to receive messages? (Choose two.)

    A. javax.microedition.io.Connector
    B. javax.microedition.io.Connector.sms
    C. javax.microedition.io.PushRegistry
    D. javax.wireless.messaging.sms.listener
    E. javax.wireless.messaging.sms.PushRegistry
    F. javax.wireless.messaging.sms.receive

  • Question 316:

    Given two options to synthesize tones:

    Manager.playTone();

    And:

    5. //...

    11.

    Player p = Manager.createPlayer(Manager.TONE_DEVICE_LOCATOR);

    12.

    p.realize();

    13.

    ToneControl c = (ToneControl)p.getControl("ToneControl");

    14.

    c.setSequence(sequence);

    15.

    p.start(); Which is true?

    A. The second option lets developers set playback tempo.
    B. Both options have the same result.
    C. The second option lets developers set playback pitch.
    D. Manager.TONE_DEVICE_LOCATOR is not a valid field.

  • Question 317:

    What is the result when a user tries to update a signed, installed MIDlet suite with an unsigned MIDlet suite with the same MIDlet-Name?

    A. The unsigned MIDlet suite is installed if it has a newer MIDlet-Version.
    B. The device blocks all access to any MIDlets.
    C. The signed MIDlet suite is left installed, even if the unsigned MIDlet suite has a newer MIDlet-Version.
    D. The MIDlet suite with the newer MIDlet-Version is installed.

  • Question 318:

    Which two are true regarding record stores? (Choose two.)

    A. All records within a record store have the same length.
    B. Record store names are case insensitive.
    C. Record stores can be locked.
    D. The first created in a record store has a record ID of 1.
    E. When a MIDlet suite is removed, record store contents remain on the device.
    F. MIDlets within the same suite can access the record stores of other MIDlets in the same suite.
    G. MIDlets within the same suite CANNOT access the record stores of other MIDlets in the same suite.

  • Question 319:

    What is the minimum volatile memory requirement identified by the CLDC 1.1 specification?

    A. 32 KB
    B. 64 KB
    C. 160 KB
    D. 128 KB

  • Question 320:

    Which two are true for List? (Choose two.)

    A. You can add Command objects to a List without registering a CommandListener.
    B. Images and text in a List CANNOT be changed once the List is created.
    C. Traversing and scrolling in a List causes events that can be programmatically detected.
    D. A CommandListener must be registered for the application to recognize user selections in a List.

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