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Why would you implement composition using an id instead of a reference?
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Why would you implement composition using an id instead of a reference?
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Which two blocks are used to handle and check errors?
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If a local class is defined in a function, what is true for an object of that class?
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Which type of constructor cannot have a return type?
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Which code creates a new object from the Employee class?
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What is the best reason to use a design pattern?
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Why would you create an abstract class, if it can have no real instances?
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Why would you create an abstract class, if it can have no real instances?
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For which case would the use of a static attribute be appropriate?
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Which of the following is not a valid C variable name?
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