I need help with these questions, The course is Mobile Application Development

Which of the following is NOT included in the class definition?

		The class name
		Accessor methods
		Instance variable declaration
		Instance method definition

QUESTION 2

Which of the following components does the Wheres My Phone? app use while waiting for a text message in the background?

		Activities
		Services
		Broadcast Receivers
		Content Providers

QUESTION 3

Which is the correct argument sent to the onOptionsItemSelected method to make menu items useful?

		Activity act
		Class clss
		Menu menu
		MenuItem item

QUESTION 4

Which of the following is NOT part of the Java class declaration?

		Name the class.
		Import external resources.
		Declare any inherited classes.
		Declare any implemented interfaces.

QUESTION 5

What is the text displayed on the canvas after the execution of the following code? 0 super.onDraw(canvas); 1 Paint dotPaint = new Paint(); 2 dotPaint.setColor(Color.RED); 3 canvas.drawRect(dotX, dotY, dotX + 20, dotY + 20, dotPaint); 4 a = 1; 5 b = 2; 6 a = b; 7 b = a; 8 canvas.drawText(a: +a+| b: +b, 20, 20, dotPaint);

		a: 1|b: 1
		a: 2|b: 1
		a: 1|b: 2
		a: 2|b: 2

QUESTION 6

Which interface should be used to handle the button press event?

		OnPressListener
		OnClickListener
		pressListener
		clickListener

QUESTION 7

Provided you know the namespace and attribute information, it is easier to manually code the menus XML code than it is to use the IDE to generate the menus XML code.

True

False

QUESTION 8

Which of the following is NOT true when overriding a method?

		The subclass is given a method of the same signature as a superclass method.
		The superclass method is hidden when called from the subclass.
		The superclass method can no longer be used.
		You can override any method of the superclass.

QUESTION 9

In the following onOptionsItemSelected() method, which id is most likely associated with accessing the applications help page? public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.item1: new(); return true; case R.id.item2: open(); return true; case R.id.item3: close(); return true; case R.id.item4: info(); return true; default: return super.onOptionsItemSelected(item); } }

		item1
		item2
		item4
		none, it will be handled by the default case

QUESTION 10

Which line in the following code does NOT include an error? 0 public int foo() { 1 super.onDraw(canvas); 2 Paint dotPaint = new Paint(); 3 dotPaint.setColor(Color.RED); 4 doble i = 1; 5 j = 2; 6 i = j * i; 7 j = Math.pow(i, j); 8 canvas.drawText(i: + i + |j: + j); 9 }

		Line 4
		Line 5
		Line 7
		Line 8

QUESTION 11

Match the terms to the corresponding definition below.

- A. B. C. D. E. F. G. H.	Visual components that the user sees when running an app
- A. B. C. D. E. F. G. H.	Components that wait for events outside the app to occur
- A. B. C. D. E. F. G. H.	Component that makes aspects of an app available to other apps
- A. B. C. D. E. F. G. H.	Activities with no user interface

A.	Activity
B.	Regular App
C.	Broadcast Receiver
D.	Broadcast Sender
E.	Content Receiver
F.	Content Provider
G.	Services
H.	Background Service

QUESTION 12

Which is the correct argument sent to the onCreateOptionsMenu method to provide your own menu behavior?

		Activity act
		Class clss
		Menu menu
		MenuItem item

QUESTION 13

Broadcast Receivers are terminated when the event they are waiting for occurs.

True

False

QUESTION 14

Which of the following is an advantage of Motorolas MOTODEV Studio over App Inventor?

		MOTODEV allows you to develop more sophisticated Android Apps.
		MOTODEV can be used by nonprogrammers.
		MOTODEV allows you to develop for iOS in addition to Android.
		MOTODEV is more intuitive to use.

QUESTION 15

Using the asterisk wildcard (e.g. import com.packageName.*) will include all of the classes within packageName, even if they arent used.

True

False

QUESTION 16

Which of following is the correct term for a piece of information used to activate an Activity, Service, or Broadcast Receiver?

		Intent
		IntentFilter
		Content Provider
		Bundle

QUESTION 17

Which of the following is most likely to be seen in the default case of the onOptionsItemSelected method?

		return super.onCreateOptionsMenu(item)
		return super.onOptionsItemSelected(item)
		return super.onCreateOptionsMenu(MenuItem item)
		return super.onOptionsItemSelected(MenuItem item)

QUESTION 18

Java classes can extend only one superclass.

True

False

QUESTION 19

The Random class gives access to a floating-point number between 1 and 100.

True

False

QUESTION 20

Which of the following could never be found in the file NewClass.java?

		public NewClass() { message = Hello World!; }
		public String title = New Class;
		public void doSomething() { doSomethingElse(); }
		public OtherClass() { message = Hello, World! Good to see you again!; }

QUESTION 21

Match the component type to the example of that component type.

- A. B. C. D. E. F. G.	A Tip Calculator
- A. B. C. D. E. F. G.	Wheres My App, which waits for a text message to be received and responds with the devices location
- A. B. C. D. E. F. G.	A background music player, which runs while the user interacts with other activities
- A. B. C. D. E. F. G.	The Contacts app, which makes the users contact list available to other apps

A.	Activity
B.	Regular App
C.	Broadcast Receiver
D.	Broadcast Sender
E.	Content Receiver
F.	Content Provider
G.	Services

QUESTION 22

The Timer class method schedule uses which of the following units for its delay value?

		Hours
		Minutes
		Seconds
		Milliseconds

QUESTION 23

What interface is included in the following code? public class DotSmasherCanvas extends View implements OnTouchListener { int dotX, dotY, score; //Other code here }

		class DotSmasherCanvas
		class View
		class OnTouchListener
		class int

QUESTION 24

How do you tag objects for garbage collection?

		Pass the object reference to a built-in garbage collection method.
		Set the object references to null.
		Both A and B
		Neither A nor B

QUESTION 25

Class instance variables must be declared at the beginning of the class definition.

True

False

QUESTION 26

One feature of the Eclipse editor is showing or hiding blocks of code, which makes it easier to scroll through source code. Which of the following is the correct name for this in Eclipse?

		Code folding
		Section hiding
		Expand/Collapse
		Open/close

QUESTION 27

In the following onOptionsItemSelected() method, which id is most likely associated with starting a new session? public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.item1: new(); return true; case R.id.item2: open(); return true; case R.id.item3: close(); return true; case R.id.item4: info(); return true; default: return super.onOptionsItemSelected(item); } }

		item1
		item2
		item4
		none, it will be handled by the default case

QUESTION 28

A constructor is the same as any other method definition EXCEPT for what?

		A constructor includes an optional argument list.
		A constructor includes an optional access modifier, usually public.
		A constructor includes a return type.
		A constructor places arguments within parentheses ().

QUESTION 29

How much does it cost to deploy an Android application to the Android Market?

		$0
		$25
		$50
		$100

QUESTION 30

What is inherited in the following code? public class DotSmasherCanvas extends View implements OnTouchListener { int dotX, dotY, score; //Other code here }

		class DotSmasherCanvas
		class View
		class OnTouchListener
		class int

QUESTION 31

Match the terms to the corresponding definition below.

- A. B. C. D. E. F. G. H.	A set of files on disk to help organize projects
- A. B. C. D. E. F. G. H.	An editor for working with specific file types
- A. B. C. D. E. F. G. H.	A Window that displays some aspect of the project
- A. B. C. D. E. F. G. H.	An arrangement of windows in the Eclipse IDE

A.	Workspace
B.	Workplace
C.	Workarea
D.	Workbench
E.	Perspective
F.	Outlook
G.	Point of View (POV)
H.	View

QUESTION 32

All class information must be stored in a file with the same name as the class and with a .java extension.

True

False

QUESTION 33

The schedule method of the Timer class can take any function as its first parameter.

True

False

QUESTION 34

What does XML stand for?

		Extendable Markup Language
		Extensible Markup Language
		Extended Markup Language
		Extra Markup Language

QUESTION 35

What does JDE stand for?

		Java Development in Eclipse
		Java Designer for Eclipse
		Java Development Environment
		Java Designer Environment

QUESTION 36

Which of the following is the correct final line of code in the definition of the quit() method?

		finish();
		finish(this);
		return finish();
		return 0; //meaning finished without error.

QUESTION 37

Which is the escape character used in Javas String object?

		Percentage sign (%)
		Tilde (~)
		Backslash (\)
		Forward slash (/)

QUESTION 38

Which is the correct definition of the term refactoring?

		Reducing a trinomial to a set of binomials
		Rewriting code to make it better without changing its behavior
		Rewriting code to add forgotten functionality or to remove unnecessary functionality
		Rewriting code to fix broken functionality

QUESTION 39

Which of the following is the LEAST common in game programming?

		Gathering input from the user
		Rendering objects on screen
		Retrieving data from a database
		Managing data processing and rendering the display with a loop

QUESTION 40

SMS messages come in as byte arrays of protocol description units (PDUs).

True

False