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COP 2258 2 Question and answers correctly solved 2024 £10.63
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COP 2258 2 Question and answers correctly solved 2024

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COP 2258 2 Question and answers correctly solved 2024 COP 2258 2 The values in an array are accessed by an index, whereas the values in a class are accessed by name. - correct answer True The statementint[][] scaleFactor = {{5, 2, 8, -2},{6, 0, 1, 7}}; is a valid statement for declaring and...

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  • September 6, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • cop 2258 2
  • cop 2258 2 question and answers correctly solved 2

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COP 2258 2
The values in an array are accessed by an index, whereas the values in a
class are accessed by name. - correct answer ✔True


The statementint[][] scaleFactor = {{5, 2, 8, -2},{6, 0, 1, 7}};
is a valid statement for declaring and initializing the scaleFactor array. -
correct answer ✔True


What is the output of the following program fragment?
int[] gamma = {5, 10, 15};
for (int count = 0; count < 3; count++)System.out.print(":" + gamma[count]); -
correct answer ✔:5:10:15


After execution of the code fragment
int[] arr = new int[5];int i;for (i = 0; i < 5; i++){arr[i] = i + 2;if (i >= 3)arr[i-1] =
arr[i] + 3;}what is contained in arr[1]? - correct answer ✔3


What are the contents of arr after the for loop?
int j = 0;for (i = 0; i < 5; i++){arr[i] = i + j;j = j + 1;} - correct answer ✔0,2,4,6,8


What is the output of the following program fragment?
int[] alpha = {100, 200, 300, 400, 500};int i;for (i = 4; i >= 0;
i--)System.out.print(alpha[i] + " "); - correct answer ✔500 400 300 200 100


Given the declarationint[][] score = new int[5][8];which of the following outputs
the array components in row order? - correct answer ✔for (i = 0; i < 5; i++)
for (j = 0; j < 8; j++) System.print(score[i][j]);

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