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Which of the following will produce an answer that is closest in value to a double, d, while not being greater than d?

  • A.
    (int)Math.min(d);
  • B.(int)Math.max(d);
  • C.(int)Math.abs(d);
  • D.(int)Math.floor(d);

Answer: D

The casting to an int is a smokescreen. Use a process of elimination to answer this question:

Option D is the correct answer, it is syntathecially correct and will consistently return a value less than d.

Option A and B are wrong because both the min() and max() methods require 2 arguments whereas here they are passed only one parameter.

Option C is wrong because it could return a value greater than d (if d was negative).

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