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Oracle 1Z0-869 Exam Dumps

Vendor: Oracle
Exam Code: 1Z0-869
Exam Name: Java Mobile Edition 1 Mobile Application Developer Certified Professional Exam
Certification: Others Oracle Certifications
Total Questions: 340 Q&A
Updated on: Dec 16, 2024
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1Z0-869 Online Practice Questions and Answers

Questions 1

Given the MIDlet code:

12.

File f = new File("myFile.txt");

13.

FileOutputStream ds = new FileOutputStream(f);

14.

OutputStreamWriter os = new OutputStreamWriter(ds);

15.

BufferedWriter buf = new BufferedWriter(os);

16.

buf.write('c'); What is the result?

A. The code compiles and runs, and then writes the character c to the file myFile.txt.

B. Compilation succeeds, but an exception is thrown at runtime.

C. Compilation fails because the code uses one or more classes, which are not supported in CLDC 1.1.

D. The code compiles and runs, but line 16 is ignored.

Show Answer

Questions 2

Which three statements are true regarding the handling of wireless connections? (Choose three.)

A. Network connections should never be performed on a separate thread, so problems can be handled quickly.

B. Performing network operations on the same thread used by the display is likely to block refreshes of the display until the network operations complete.

C. The connection could unexpectedly terminate while processing the input or output streams.

D. Devices can only support one HttpConnection at a time; therefore, network access from multiple threads must be serialized.

E. A network connection could interfere with other services on the device, such as the ability to receive phone calls or SMS on a phone.

Show Answer

Questions 3

Which two are true when deleting a record store? (Choose two.)

A. If the record store is open, an exception will be thrown.

B. For any registered listener of the record store, recordDeleted() will be called.

C. The record store must be open prior to calling deleteRecordStore().

D. The record store must be closed prior to calling deleteRecordStore().

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