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2021 Aug 1Z0-869 exams

Q191. - (Topic 1) 

Given: 

Layer heroShip = aLayerManager.getLayerAt(0); 

Which is true? 

A. An ArrayIndexOutOfBoundsException is thrown. 

B. The getLayerAt() is not a valid method of the LayerManager class. 

C. An IllegalArgumentException is thrown. 

D. The heroShip is assigned to the Layer object located at index 0. 

Answer: D 


Q192. - (Topic 3) 

A MIDlet suite has the application descriptor fragment: MIDlet-1: E-mail, email.png, com.example.EmailMIDlet The MIDlet suite has the necessary permissions to use the PushRegistry. What line does the application descriptor need to register the MIDlet suite for socket push connections on port 79? 

A. MIDlet-Push-1: socket://:79, E-mail, * 

B. MIDlet-Push-1: socket://:79, MIDlet-1, * 

C. MIDlet-Push-1: socket://:79, EmailMIDlet, * 

D. MIDlet-Push-1: socket://:79, com.example.EmailMIDlet, * 

Answer: D 


Q193. - (Topic 3) 

Assume a particular JTWI phone supports server socket connections. A MIDlet running on the phone attempts to register a connection using: 

PushRegistry.registerConnection(connection, midlet, filter); 

Assume connection, midlet, and filter are NOT null. The statement is executed and throws a ConnectionNotFoundException. 

What causes the exception? 

A. The specified MIDlet does NOT exist. 

B. The syntax of connection is invalid. 

C. The phone does NOT support push connections using server sockets. 

D. The requested connection is already registered. 

Answer: C 


Q194. DRAG DROP - (Topic 3) 

Click the Task button. 

Place the connection strings on their corresponding connection interfaces. 

Answer: 


Q195. - (Topic 2) 

Given: 

a JAR containing a MIDlet named TesterMIDlet 

a JAD with this content: CertificationExam: 

Sun Certified Mobile Application DeveloperMIDlet-1: TesterMIDlet, , certification.TesterMIDlet MIDlet-Jar-Size: 2038 MIDlet-Jar-URL: Certification.jar MIDlet-Name: Certification MIDlet-Vendor: A Testing Company MIDlet-Version: 1.0 MicroEdition-Configuration: CLDC-1.0 MicroEdition-Profile: MIDP-2.0 

This MIDlet needs to get the property with the key CertificationExam defined in the JAD. This needs to be assigned to a String ExamName from within the MIDlet.startApp() method. 

What is the correct way to accomplish this? 

A. String ExamName = this.getAppProperty("CertificationExam"); 

B. String ExamName = this.getAppProperty("MIDlet-CertificationExam"); 

C. String ExamName = System.getProperty("CertificationExam"); 

D. String ExamName = System.getProperty("MIDlet-CertificationExam"); 

Answer: A 


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Far out 1Z0-869 question:

Q196. - (Topic 3) 

The developer is designing a game that uses the LayerManager and Sprite classes. Three Sprite objects are added to a LayerManager object and a call is placed to the LayerManager.paint(Graphics, x, y) method. In what order are the Sprite objects rendered to the device display? 

A. The Sprites are rendered in an implementation specific manner. 

B. The Sprites are rendered in a random order. 

C. The Sprites are rendered in order of descending index. 

D. The Sprites that are animated are rendered first. 

Answer: C 


Q197. - (Topic 3) 

Given: a JAR containing a MIDlet named TesterMIDlet a JAD with this content: 

CertificationExam: Sun Certified Mobile Application DeveloperMIDlet-1: TesterMIDlet, , certification.TesterMIDlet MIDlet-Jar-Size: 2038 MIDlet-Jar-URL: Certification.jar MIDlet-Name: Certification MIDlet-Vendor: A Testing Company MIDlet-Version: 1.0 MicroEdition-Configuration: CLDC-1.0 MicroEdition-Profile: MIDP-2.0 

This MIDlet needs to get the property with the key CertificationExam defined in the JAD. This needs to be assigned to a String ExamName from within the MIDlet.startApp() method. 

What is the correct way to accomplish this? 

A. String ExamName = System.getProperty("CertificationExam"); 

B. String ExamName = System.getProperty("MIDlet-CertificationExam"); 

C. String ExamName = this.getAppProperty("CertificationExam"); 

D. String ExamName = this.getAppProperty("MIDlet-CertificationExam"); 

Answer: C 


Q198. - (Topic 1) 

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

A. PushRegistry.listConnections() 

B. PushRegistry.notifyIncomingConnection() 

C. MIDlet.startApp() 

D. MIDlet.notifyApp() 

E. MIDlet.pushApp() 

F. MIDlet.resumeRequest() 

Answer: C 


Q199. DRAG DROP - (Topic 3) 

Click the Task button. 

Place the API label (high-level or low-level) on the code snippet to indicate whether or not 

the code is from the high-level or low-level API. Assume that all variable names reflect the object type used in the code. 

Answer: 


Q200. - (Topic 3) 

Click the Exhibit button. 

Which two are true assuming this method is in a MIDlet? (Choose two.) 

A. Compilation fails due to a problem with code related to event handling. 

B. An exception occurs at runtime due to a problem related to the event handling code. 

C. The Chocolate Prefs choice is never displayed to the user. 

D. The text "You made a choice" is displayed immediately after the user makes a selection. 

E. Anonymous inner classes must NOT be used as event handlers within a MIDlet. 

F. The user can select more than one type of chocolate. 

Answer: D,F