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[FAST TRACK] ANDROID QUIZ 14
Quiz
•
Special Education, Other, Professional Development
•
Professional Development
•
Practice Problem
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Hard
Trang Thu
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Is SimpleDateFormat thread safe?
Yes
No
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
A type of layout elements allows all included elements sort by order is
RelativeLayout
ConstraintLayout
FrameLayout
LinearLayout
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Which design pattern can decouple an abstraction from Implementation?
Proxy
Facade
Adapter
Brigde
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
How can prevent singleton pattern to be broken by reflection?
Using Static
Using Enum
Using Final
Using Volatile
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
What will be the output of the following Java program?
A
B
Compilation Error
Runtime Error
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Which of the following is a dialog class in Android?
AlertDialog
DatePicker Dialog
ProgressDialog
All of the above
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Which of the following is NOT a valid usage for Intents?
Activate and Activity
Activate a Service
Activate a Broadcast receiver
Activate a SQLite DB Connection
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