Free Oracle 1Z0-869 Practice Test & Real Exam Questions

Exam Code/Number: 1Z0-869
Exam Name/Title: Java Mobile Edition 1 Mobile Application Developer Certified Professional Exam
Certification Provider: Oracle
Corresponding Certification: Java Technology

Exam Questions: 340
Updated On: Aug 25, 2026

Question #10

During a MIDlet suite installation, a JTWI-compliant device performs the following actions:
downloads and installs the JAD file
downloads the JAR file
fails to install the MIDlet suite
What is the correct behavior?

A. The device must free the space allocated for that MIDlet suite.

B. The device must log the failure in persistent storage.

C. The device must save the JAD file for future downloads of the same MIDlet suite.

D. The device must save the JAD and the JAR file for future upgrading.

Discussion 0

Correct Answer: A Vote an answer

Question #11

Which is true regarding the use of Thread objects in a CLDC 1.1 compliant virtual machine?

A. There is no way for one Thread to force another Thread to stop.

B. A Thread lives until it exits from the run() method it invoked at startup.

C. A Thread can be stopped only from the inside of a MIDlet class.

D. To stop a Thread, a developer can use the stop() method.

Discussion 0

Correct Answer: B Vote an answer

Question #12

Given the JAD file fragment:
MIDlet-1: Calendar, calendar.png, com.example.CalendarMIDlet
MIDlet-2: Chat, chat.png, com.example.ChatMIDlet
What CalendarMIDlet code launches ChatMIDlet at the time specified by variable chatTime?

A. PushRegistry.registerAlarm("Chat", chatTime);

B. PushRegistry.registerAlarm("MIDlet-1", chatTime);

C. PushRegistry.registerAlarm
(Class.forName("com.example.ChatMIDlet"), chatTime);

D. PushRegistry.registerAlarm
("com.example.ChatMIDlet", chatTime);

Discussion 0

Correct Answer: D Vote an answer

Question #13

What is true when an enumeration applies both a RecordFilter class and
RecordComparator class on a record store?

A. The return order of the result set is undefined.

B. All records will always be available as part of the enumeration result set.

C. An enumeration CANNOT apply both a RecordFilter and RecordComparator.

D. The records that match the search criteria in RecordFilter will be returned using the ordering defined by RecordComparator.

E. The records that match the search criteria in RecordComparator will be returned using the ordering defined by RecordFilter.

Discussion 0

Correct Answer: D Vote an answer

Question #14

Given:
8 . package javax.microedition.midlet;
9 . import javax.microedition.midlet.*;
1 0. import javax.microedition.io.*;
1 1. import java.io.*;
1 2.
1 3. public class Outlet extends MIDlet {
1 4. public void startApp(){ }
1 5. public void pauseApp(){ }
1 6. public void destroyApp(boolean unconditional){ }
1 7. }
Which is true?

A. The application will compile and will execute.

B. The application will NOT compile.

C. Compilation fails because of an error in line 8.

D. The application will compile and will NOT execute.

Discussion 0

Correct Answer: D Vote an answer

Question #15

Which is true about the process of updating a MIDlet suite in a JTWI-compliant device?

A. A MIDlet suite CANNOT be updated with the same MIDlet suite from a different URL.

B. The RMS record stores of the updated MIDlet suite are always lost.

C. A MIDlet suite CANNOT be updated with another MIDlet suite that has a lower value for the MIDlet-Version attribute.

D. An unsigned MIDlet suite must NOT be allowed to update a signed MIDlet suite.

Discussion 0

Correct Answer: D Vote an answer

Question #16

Which two are true about Gauge? (Choose two.)

A. The visual appearance of a Gauge is determined by the device implementation.

B. The range of values displayed by the implementation always matches the range of values specified by the application.

C. You must specify both the initial and maximum values when creating a Gauge.

D. The current value of a Gauge CANNOT be set programmatically.

Discussion 0

Correct Answer: A,C Vote an answer

Question #17

A MIDlet suite running on a GSM phone successfully receives an SMS text message msg from another GSM phone. The suite is using a valid SMS MessageConnection object conn opened in server mode.
The suite tries to respond back using:
msg.setPayloadText("thank you!");
conn.send(msg);
Which is true?

A. The code can succeed because the connection object contains an address for sending a response.

B. The code always fails because the connection object is missing an address for sending a response.

C. The code can succeed because the message object contains an address for sending a response.

D. The code always fails because the message object is missing an address for sending a response.

Discussion 0

Correct Answer: C Vote an answer

Question #18

What is guaranteed by CLDC regarding time zones?

A. UTC is always supported.

B. The local time zone is always supported.

C. GMT and UTC must be supported.

D. At least one time zone must be supported.

Discussion 0

Correct Answer: D Vote an answer

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