Java 11 Programming for Beginners 3.2: Hide Your Implementation with Abstraction

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Information Technology (IT), Architecture
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University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of abstraction in Java?
To make code run faster
To hide implementation details and simplify interfaces
To eliminate the need for classes
To increase the complexity of code
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a method mentioned for the Slack assistant?
handle instruction
execute
cancel
init
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the base class in the Slack assistant implementation?
To provide a complete implementation of all methods
To execute all commands directly
To handle lifecycle instructions and define method signatures
To store data permanently
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the 'format result' method in the voting assistant bot?
To initialize the bot
To start the bot
To clean up and format voting results
To delete all votes
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the bot be configured to listen to messages?
To listen to messages from specific users only
To listen to all messages in the channel
To ignore all messages
To listen only to targeted messages
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