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Computers and Technology, 24.05.2021 16:30 cj9508

Consider the following declaration of the class NumSequence, which has a constructor that is intended to initialize the instance variable seq to an ArrayList of numberOfValues random floating-point values in the range [0.0, 1.0). public class NumSequence

{

private ArrayList seq;

// precondition: numberOfValues > 0

// postcondition: seq has been initialized to an ArrayList of

// length numberOfValues; each element of seq

// contains a random Double in the range [0.0, 1.0)

public NumSequence(int numberOfValues)

{

/* missing code */

}

}

Which of the following code segments could be used to replace /* missing code */ so that the constructor will work as intended?

I. ArrayList seq = new ArrayList ();

for (int k = 0; k < numberOfValues; k++)

seq. add(new Double(Math. random()));

II. seq = new ArrayList ();

for (int k = 0; k < numberOfValues; k++)

seq. add(new Double(Math. random()));

III. ArrayList temp = new ArrayList ();

for (int k = 0; k < numberOfValues; k++)

temp. add(new Double(Math. random()));

seq = temp;

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Answers: 1

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