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Qustion No. 1

- (Topic 1) 

What are the rules for the look and feel of the user interface components? 

A. The user interface always looks exactly as it does in the MIDP Reference Implementation. 

B. The user interface look and feel may be drastically different on different devices. 

C. The dimensions of all the user components are always the same on any device, even if they look different. 

D. The user interface is always in monochrome, so the developer should NOT use color. 

Answer: B 


Qustion No. 2

- (Topic 1) 

Which two are true regarding error handling for classes that exist in both CLDC and J2SE? (Choose two.) 

A. The set of error classes is essentially the same in CLDC and J2SE. 

B. There is no correspondence between the errors defined by CLDC and J2SE because the needs of CLDC and J2SE are so different. 

C. If a class throws an error in CLDC, it should throw the same error as in J2SE or its nearest superclass. 

D. The set of error classes is much reduced in CLDC to help reduce the overhead of the JVM. 

Answer: C,D 


Qustion No. 3

- (Topic 3) 

Which three are top level interfaces in the javax.wireless.messaging package? (Choose three.) 

A. MessageListener 

B. MessageHandler 

C. MessageConnection 

D. Datagram 

E. Message 

F. Connector 

Answer: A,C,E 


Qustion No. 4

- (Topic 3) 

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("MIDlet-1", chatTime); 

B. PushRegistry.registerAlarm ("com.example.ChatMIDlet", chatTime); 

C. PushRegistry.registerAlarm("Chat", chatTime); 

D. PushRegistry.registerAlarm (Class.forName("com.example.ChatMIDlet"), chatTime); 

Answer: B 


Qustion No. 5

- (Topic 1) 

Which arguments should be passed to Connector.open() and TextMessage.setAddress(), respectively, to initiate an SMS text message using a server connection? 

A. sms://:1234, with no need to call setAddress() 

B. sms://+18005551234, with no need to call setAddress() 

C. sms://:1234 and sms://+18005551234 

D. sms://+18005551234 and sms://:1234 

Answer: C 


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