Oracle Oracle Certifications 1Z0-869 Questions & Answers

• Question 201:

  Click the Exhibit button.

  Which produces the results shown in device A and device B?

  

  A. A: g.drawString("Gray Flyer",0,0,Graphics.LEFT | Graphics.TOP);

  B. g.drawString("Gray Flyer",0,0,Graphics.TOP | Graphics.BASELINE);

  C. A: g.drawString("Gray Flyer",0,0,Graphics.TOP | Graphics.BASELINE);

  D. g.drawString("Gray Flyer",0,0,Graphics.HCENTER | Graphics.BOTTOM);

  E. A: g.drawString("Gray Flyer",0,0,Graphics.TOP | Graphics.LEFT);

  F. g.drawString("Gray Flyer",0,0,Graphics.TOP | Graphics.HCENTER)

  G. A: g.drawString("Gray Flyer",0,0,Graphics.LEFT | Graphics.BASELINE);

  H. g.drawString("Gray Flyer",0,0,Graphics.LEFT | Graphics.HCENTER);

  Correct Answer: C

• Question 202:

  Which three dimensions of a standard-size application does the JTWI 1.0 specification define? (Choose three.)

  A. RMS data size

  B. screen size

  C. JAD size

  D. JAR size

  E. heap size

  Correct Answer: ACD

• Question 203:

  Which is used to retrieve the version of MIDP a device has implemented?

  A. System.getAppProperty("microedition.platform")

  B. System.getAppProperty("microedition.profiles")

  C. System.getProperty("microedition.configuration")

  D. System.getProperty("microedition.platform")

  E. System.getProperty("microedition.profiles")

  Correct Answer: E

• Question 204:

  Manager.createPlayer(..) may involve synchronous blocking I/O operations, possibly blocking execution for an indefinite amount of time. Which is the most efficient way to create a Player object and receive the events it generates?

  A. Create the Player from an InputStream, possibly after copying data into memory.

  B. Create the Player in a separate thread from the user interface, then create a PlayerListener that receives events from this Player.

  C. Ensure System.gc() is called before creating the Player.

  D. Create the Player in the current thread and listen for events in a separate thread.

  Correct Answer: B

• Question 205:

  Given:

  10. //...

  20.

  Manager.playTone(ToneControl.C4, 100, -100);

  21.

  System.out.println("done");

  22.

  //... Which is true?

  A. Compilation fails.

  B. done is printed after playTone() completes.

  C. done is printed directly after playTone() is called.

  D. An IllegalArgumentException is thrown at runtime.

  Correct Answer: C

• Question 206:

  Which two specifications are mandatory in JTWI 1.0? (Choose two.)

  A. Location API

  B. MIDP 2.0

  C. WMA 1.1

  D. WMA 1.0

  E. MMAPI 1.1

  Correct Answer: BC

• Question 207:

  Given a MIDlet suite with the following JAD file:

  1.

  MIDlet-1: MyMIDlet, MyMIDlet.png, MyMIDlet

  2.

  MIDlet-Jar-Size: 23040

  3.

  MIDlet-Name: MyFirstMIDlet

  4.

  MIDlet-Version: 1.0

  5.

  MIDlet-Jar-URL: http://mywebserver.com/mymidlets/MyMIDlet.jar

  6.

  MIDlet-Vendor: MyCompany and manifest file:

  1.

  MIDlet-Name: MyFirstMIDlet

  2.

  MIDlet-Version: 1.1

  3.

  MIDlet-Vendor: MyCompany

  4.

  MIDlet-1: MyMIDlet, MyMIDlet.png, MyMIDlet Which is true about the installation?

  A. The installation fails because the JAD file is invalid.

  B. The installation fails due to an attribute mismatch.

  C. The installation fails because the manifest is invalid.

  D. The installation succeeds.

  Correct Answer: B

• Question 208:

  Given: MIDlet Suite A public class Person public class Address MIDlet Suite B public class Person Which is true?

  A. Person in MIDlet Suite B is NOT allowed access to the Address class defined in MIDlet Suite A.

  B. Person in MIDlet Suite B is allowed access to the Address class defined in MIDlet Suite

  C. Person in MIDlet Suite B is allowed access to Address class in MIDlet Suite A based on the protection domain.

  D. Person in MIDlet Suite B is allowed restricted access to the Address class in MIDlet Suite A.

  Correct Answer: A

• Question 209:

  Given the MIDlet code:

  7.

  public void exitApp() {

  8.

  Runtime rt = Runtime.getRuntime();

  9.

  rt.exit(0);

  10.

  }

  What is the result of a call to exitApp()?

  A. A SecurityException is thrown at line 9.

  B. Compilation fails because of an error on line 8.

  C. Compilation fails because of an error on line 9.

  D. exitApp() completes execution successfully.

  Correct Answer: A

• Question 210:

  Given:

  11.

  HttpsConnection c = (HttpsConnection)

  Connector.open("https://www.mywebserver.com");

  12.

  int portNumber = c.getPort();

  What is the value of the portNumber variable after executing the code?

  A. 443

  B. 80

  C. 0

  D. 25

  Correct Answer: A