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COMP 249 Object-Oriented Programming II (COMP 249) Sample midterm examination (Concordia University) CA$18.03   Add to cart
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COMP 249 Object-Oriented Programming II (COMP 249) Sample midterm examination (Concordia University)
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COMP 249 Object-Oriented Programming II (COMP 249) Sample midterm examination (Concordia University)

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  • March 6, 2024
  • 17
  • 2023/2024
  • Exam (elaborations)
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  • comp 249
  • comp 249 object oriented programming ii

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lOMoARcPSD|10754654




COMP 249 Object-Oriented Programming II (COMP 249) Sample midterm examination
(Concordia University)

, lOMoARcPSD|10754654




Programming Methodology II Sample midterm examination comp249


1) One-dimension arrays.

 What is the output of the following
code? int[] numbers = new int[10];
for(int i=0; i < numbers.length; ++i)
numbers[i] = i * 2;
for(int i=0; i < numbers.length; ++i)
System.out.print(numbers[i] / 2 + "
");
System.out.println();

 Answer : 0 1 2 3 4 5 6 7 8 9

2) Two-dimension arrays

 Show the output produced by the following java code.
int i, j, k, temp; // i and j are indices for the rows and
columns int [ ] [ ] A = { {5, 16, 7, 23, 15,} // 2-dimension array
{31, 12, 22, 4, 19,}
{41, 21, 14, 37, 8 } };

…
for (i = 0; i < A.length; i++)
{
for (j = 0; j < A[i].length - 1; j++)
{
k = j + 1;
while (k < 5)
{
if (A[i] [k] < A[i] [j])
{
temp = A[i] [k];
A[[i] [k] = A[i] [j];
A[i] [j] = temp;
}
k = k + 1;
}
System.out.print(“ “ + array[i] [j]);
}
System.out.println(“\n”);

, lOMoARcPSD|10754654




Programming Methodology II Sample midterm examination comp249

}
…

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