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[FAST TRACK] ANDROID QUIZ 14

Authored by Trang Thu

Special Education, Other, Professional Development

Professional Development

Used 2+ times

[FAST TRACK] ANDROID QUIZ 14
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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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