Consider the following code segment. int[][] mat = new int[5][3]; for (int j = 0; j < mat.length; j++) { for (int k = 0; k < mat[0].length; k++) { mat[j][k] = 10 * k + j; } } What are the contents of mat after the code segment has been executed?单项选择题

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Consider the following code. int[][] matrix = new int[6][4]; Suppose we want to initialize the matrix to the following rows and columns. 3 2 1 0 0 1 2 3 3 2 1 0 0 1 2 3 3 2 1 0 0 1 2 3 Which of the options below correctly initializes the matrix? I. for (int i = 0; i < matrix.length - 1; i += 2) { for (int j = 0; j < matrix[i].length; j++) { matrix[i][j] = j; matrix[i + 1][j] = j; } } II. for (int i = 0; i < matrix.length - 1; i += 2) { for (int j = 0; j < matrix[i].length; j++) { matrix[i + 1][j] = j; matrix[i][matrix[i].length - j - 1] = j; } } III. for (int i = 0; i < matrix.length - 1; i += 2) { for (int j = 0; j < matrix[i].length; j++) { matrix[i + 1][j] = j; matrix[i][matrix[i].length - j - 1] = i; } }

Question 30 Choose a, b, c or d as the best answer. The author’s main argument is that the 100:80:100 model __________.

The 100:80:100 model will most likely 25. ____ to more fields of work with productivity improvements. Businesses which continue with the traditional working week could have 26. ____ , and may be forced to agree to the model. They would need to do this to stay 27.____. The advantages of a reduced working week have been revealed by 28. ____ businesses. Future trials of the concept must include those 29. Answer Question 17[input] not surveyed in the first round.

The 100:80:100 model will most likely 25. ____ to more fields of work with productivity improvements. Businesses which continue with the traditional working week could have 26. ____ , and may be forced to agree to the model. They would need to do this to stay 27. ____. The advantages of a reduced working week have been revealed by 28. Answer Question 16[input] businesses. Future trials of the concept must include those 29. _________ not surveyed in the first round.

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