Multiple choice technology web technology

A constructor

  1. Is the first instance of a function

  2. Is the first instance of a variable

  3. Converts information contained in an XML document to another data type

  4. None of the above

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C Correct answer
Explanation

In XQuery and XSLT, constructors are functions that convert data from one type to another. For example, they can convert strings to numbers, dates, or other atomic types. The term 'constructor' in this context refers to type conversion, not object instantiation as in object-oriented programming.