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Test: Computer Science
Consider the following code:
int[] vals = {6,1,41,5,1};
int[][] newVals = new int[vals.length][];
for(int i = 0; i < vals.length; i++) {
newVals[i] = new int[vals[i]];
for(int j = 0; j < vals[i];j++) {
newVals[i][j] = vals[i] * (j+1);
}
}
1. | What does the code above do? |
The code creates a 2D array that contains all multiples from 1 to 5 for the members of vals.
It performs a matrix multiplication on vals and newVals, storing the final result in newVals.
It sums the values in vals, placing the outcome in newVals.
The code creates a 2D array that contains the multiples for the members of vals, using each of those values to determine the number of multiples to be computed.
It creates a 2D matrix with the vals array for every row.
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Certified Tutor
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The University of Texas at Dallas, Bachelor of Science, Computer Science. University of North Texas, Master of Arts, Education.
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Georgia Institute of Technology-Main Campus, Current Undergrad Student, Computer Science.
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