Oracle 1Z0-869 Online Practice Questions and Exam Preparation

Oracle 1Z0-869 Online Questions & Answers

• Question 91:

  Given:

  A record store has three records: Record 1 contains Apple, Record 2 contains Mango, Record 3 contains Cherry, and the RecordComparator class:

  1.

  public class CompareTest implements RecordComparator {

  2.

  public int compare(byte[] rec1, byte[] rec2) {

  3.

  String str1 = new String(rec1), str2 = new String(rec2);

  4.

  int result = str2.compareTo(str1);

  5.

  if (result == 0)

  6.

  return RecordComparator.EQUIVALENT;

  7.

  else if (result < 0)

  8.

  return RecordComparator.PRECEDES;

  9.

  else

  10.

  return RecordComparator.FOLLOWS;

  11.

  }

  12.

  }

  What is the return order of the records for an enumerator using CompareTest?

  A. Apple, Mango, Cherry
  B. Mango, Cherry, Apple
  C. Mango, Apple, Cherry
  D. Cherry, Mango, Apple
  E. Apple, Cherry, Mango
  F. Cherry, Apple, Mango
  B. Mango, Cherry, Apple

• Question 92:

  Given a class named MyCanvas, which three CANNOT be used if MyCanvas is a direct subclass of Canvas? (Choose three.)

  A. Sprite s = new Sprite(anImage, 20,20);
  B. gameAction = getGameAction(keyCode) { }
  C. isDoubleBuffered();
  D. public MyCanvas(boolean t) { super(true); }
  E. keyStates = getKeyStates(); if ((keyStates and LEFT_PRESSED) != 0) { }
  F. flushGraphics();
  D. public MyCanvas(boolean t) { super(true); }
  E. keyStates = getKeyStates(); if ((keyStates and LEFT_PRESSED) != 0) { }
  F. flushGraphics();

• Question 93:

  Which method is initially called when the MIDlet starts in response to a push notification?

  A. PushRegistry.notifyIncomingConnection()
  B. MIDlet.startApp()
  C. MIDlet.notifyApp()
  D. PushRegistry.listConnections()
  E. MIDlet.pushApp()
  F. MIDlet.resumeRequest()
  B. MIDlet.startApp()

• Question 94:

  Which two events can result in the removal of a MIDlet's dynamic push connection registration? (Choose two.)

  A. When MIDlet.destroyApp() is called.
  B. Opening the connection using Connector.open().
  C. When the MIDlet is uninstalled.
  D. Using a call to PushRegistry.unregisterConnection().
  E. Using a call to PushRegistry.registerConnection().
  F. Using a call to PushRegistry.removeConnection().
  C. When the MIDlet is uninstalled.
  D. Using a call to PushRegistry.unregisterConnection().

• Question 95:

  Click the Exhibit button.

  What is visible on the display when this MIDlet is executed?

  

  examollectionvce.com Leaders in IT Certification 43

  

  A. A white screen is shown momentarily, and then a black screen is shown.
  B. A java.lang.RuntimeException is thrown.
  C. The screen continuously switches back and forth between black and white.
  D. A black screen is shown momentarily, and then a white screen is shown.
  D. A black screen is shown momentarily, and then a white screen is shown.

• Question 96:

  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 ("com.example.ChatMIDlet", chatTime);
  C. PushRegistry.registerAlarm("MIDlet-1", chatTime);
  D. PushRegistry.registerAlarm (Class.forName("com.example.ChatMIDlet"), chatTime);
  B. PushRegistry.registerAlarm ("com.example.ChatMIDlet", chatTime);

• Question 97:

  Which three are true? (Choose three.)

  A. A MIDlet suite consists of only one JAR file.
  B. Different MIDlet suites can share data with each other.
  C. A MIDlet suite can have more than one class that extends the MIDlet class.
  D. A MIDlet suite is an array of MIDlet objects.
  E. The names of MIDlet classes that belong to different MIDlet suites must be different.
  A. A MIDlet suite consists of only one JAR file.
  B. Different MIDlet suites can share data with each other.
  C. A MIDlet suite can have more than one class that extends the MIDlet class.

• Question 98:

  Given:

  12.

  canvas.repaint(x1,y1,wd,ht);

  13.

  canvas.repaint(x2,y2,wd,ht);

  14.

  canvas.serviceRepaints(); Which two are true? (Choose two.)

  A. serviceRepaints() blocks waiting for paint() to return.
  B. paint() is called three times, once for each repaint() and once for serviceRepaints().
  C. paint() is always called twice, once for each repaint() request.
  D. If the two regions specified in repaint() overlap, repaint() may attempt to paint the union of the two areas.
  A. serviceRepaints() blocks waiting for paint() to return.
  D. If the two regions specified in repaint() overlap, repaint() may attempt to paint the union of the two areas.

• Question 99:

  Which two can the developer define for a TextField? (Choose two.)

  A. maximum number of characters
  B. shape
  C. font
  D. input constraints
  E. color
  A. maximum number of characters
  D. input constraints

• Question 100:

  Which is true about PushRegistry.registerAlarm()?

  A. PushRegistry.registerAlarm() works independently of the network protocols available for push connections.
  B. PushRegistry.registerAlarm() supports several outstanding activation times per MIDlet.
  C. JTWI devices may choose NOT to implement PushRegistry.registerAlarm().
  D. PushRegistry.registerAlarm() is overloaded to play audio file arguments.
  A. PushRegistry.registerAlarm() works independently of the network protocols available for push connections.