10. Consider the following method, shift, which is intended to shift the elements of arr one to the left. For example, if arr contains {{1, 2, 3), (4, 5, 6}}, then shift (arr) should return {{2, 3, 1), (5, 6, 4}}. public static int[][] shift(int[][] arr) { int[][] ret = new int[arr.length] [arr[0].length]; for (int i = 0; i < arr.length; i++) { for (int j = 0; j < arr[0].length - 1; j++){ /* missing statement */ } ret[i][arr [0].length - 1] = arr[i][0]; } return ret; } What choice could replace /* missing statement */ so that shift works as intended? A. ret[i][j] arr[i][j-1]; B. ret[i][j] = arr[i][j+1]; c. arr[i][j] ret[i][j-1]; D. arr[i][j] = ret[i][j+1]; E. arr[i][j] = ret[i][j];

10. Consider the following method, shift, which is intended to shift the elements of arr one to the left. For example, if arr contains {{1, 2, 3), (4, 5, 6}}, then shift (arr) should return {{2, 3, 1), (5, 6, 4}}. public static int[][] shift(int[][] arr) { int[][] ret = new int[arr.length] [arr[0].length]; for (int i = 0; i < arr.length; i++) { for (int j = 0; j < arr[0].length - 1; j++){ /* missing statement / } ret[i][arr [0].length - 1] = arr[i][0]; } return ret; } What choice could replace / missing statement */ so that shift works as intended? A. ret[i][j] arr[i][j-1]; B. ret[i][j] = arr[i][j+1]; c. arr[i][j] ret[i][j-1]; D. arr[i][j] = ret[i][j+1]; E. arr[i][j] = ret[i][j];

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

10. Consider the following method, shift, which is intended to shift the elements of arr one to the left. For
example, if arr contains {{1, 2, 3}, {4, 5, 6}}, then shift (arr) should return {{2, 3, 1), (5, 6,
4}}.
public static int[][] shift(int[][] arr) {
int[][] ret = new int[arr.length] [arr[0].length];
for (int i = 0; i < arr.length; i++) {
for (int j = 0; j < arr[0].length - 1; j++) {
/* missing statement */
}
ret[i][arr[0].length 1] = arr[1][0];
}
return ret;
}
What choice could replace /* missing statement */ so that shift works as intended?
A. ret[i][j] = arr[i][j-1];
B. ret[i][j] = arr[i][j+ 1];
C. arr[i][j] = ret[i][j - 1];
D. arr[i][j] = ret[i][j+ 1];
E. arr[i][j] ret[i][j];

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