Comprehensive Android Developer Bootcamp - App- Showing Money Counter - Currency Format
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Information Technology (IT), Architecture
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University
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Practice Problem
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial value set for the money counter in the app?
1000
100
0
500
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How much is the money counter incremented by each time the button is tapped?
1000
500
2000
1500
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of linking the money counter to a text view?
To change the app theme
To change the button color
To display the counter value dynamically
To reset the counter
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it necessary to convert the integer counter to a string?
To perform mathematical operations
To store it in a database
To send it over a network
To display it in a text view
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is suggested for converting an integer to a string?
Integer.toBinaryString()
Integer.toHexString()
Integer.toString()
Integer.toOctalString()
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What class is used to format numbers as currency?
CurrencyFormat
DecimalFormat
NumberFormat
LocaleFormat
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the NumberFormat class determine the currency format?
Based on the device's locale
Based on the app's version
Based on the user's input
Based on the app's theme
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