Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional : 1Z0-869

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Oracle 1Z0-869 Exam Syllabus Topics:

Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional Sample Questions:

Question 1

A MIDP 2.0 compliant device creates an HTTP connection to a server that supports HTTP
1.1. Which is true?

A. The device may or may NOT support HTTP 1.1.
B. The device definitely supports HTTP 1.1.
C. There is no such thing as a 1.1 version of HTTP.
D. The device definitely does NOT support HTTP 1.1.

Question 2

Click the Exhibit button. The application has a single Displayable object. Which two are true? (Choose two.)

A. The Exit command must have been set with a priority equal to or greater than the priorities of commands Go, Foo, and Bar.
B. If Go, Foo, and Bar are all Command objects, each may have its own separate CommandListener object.
C. If Go is a Command object, it is possible that another device would map Go to a button on the device (as opposed to a menu list).
D. In the MIDlet code, a Command object of type Command.MENU must have been created.
E. The program code did NOT necessarily specify the location of the Exit button.

Question 3

Click the Exhibit button.
The red collision rectangle around each Sprite in the image is NOT part of the actual image. The two Sprite objects intersect in the application precisely as shown.
Which two are true? (Choose two.)

A. If Sprite 1 is being tested for collision with Sprite 2 using pixel-level collision detection, the two Sprite objects will NOT be in collision.
B. The most efficient way to detect collision is to use collision detection based solely on the collision rectangles.
C. For the two Sprite objects to be considered in collision, each Sprite must have no more than one frame.
D. For the two Sprite objects to be considered in collision, collidesWith() must be invoked on both objects.

Question 4

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

Question 5

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

A. Devices can only support one HttpConnection at a time; therefore, network access from multiple threads must be serialized.
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. Network connections should never be performed on a separate thread, so problems can be handled quickly.
D. A network connection could interfere with other services on the device, such as the ability to receive phone calls or SMS on a phone.
E. The connection could unexpectedly terminate while processing the input or output streams.

Solutions: