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Questions and Answers
Which of the following best describes the purpose of classes?
Which of the following best describes the purpose of classes?
- To set instance variables
- To create instances of objects
- To create blueprints for classes
- To group data and functions together for easy reuse and building upon (correct)
What is the difference between a class and its instances?
What is the difference between a class and its instances?
- A class is an instance of an object
- A class and its instances are the same thing
- A class is a blueprint while instances are objects created from that blueprint (correct)
- A class and its instances have different methods
Why are class methods useful?
Why are class methods useful?
- They provide a way to create blueprints for classes
- They allow for setting instance variables automatically
- They allow for grouping data and functions together
- They avoid the need to manually set instance variables each time (correct)
What is the purpose of the init method in a class?
What is the purpose of the init method in a class?
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What is the conventionally named first argument in the init method?
What is the conventionally named first argument in the init method?
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Which of the following best describes the purpose of classes?
Which of the following best describes the purpose of classes?
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Which of the following is equivalent to a constructor in other programming languages?
Which of the following is equivalent to a constructor in other programming languages?
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What is the purpose of creating class methods?
What is the purpose of creating class methods?
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What does the init method receive as the first argument?
What does the init method receive as the first argument?
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How are instances of the employee class created?
How are instances of the employee class created?
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