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1) Show the output of the following code: int[][] array = {{1, 2}, {3, 4}, {5, 6}}; int sum = 0; for (int i =
1) Show the output of the following code:
int[][] array = {{1, 2}, {3, 4}, {5, 6}}; int sum = 0; for (int i = 0; i < array.length; i++) sum += array[i][0]; System.out.println(sum);
7 |
9 |
8 |
6 |
2)
Declare an array reference variable for a two-dimensional array of int values, create a 4-by-5 int matrix, and assign it to the variable.
int (4)(5) m; |
int m [] [] = new int(4)(5); |
int [] [] m = new int[4][5]; Which of the following statements are valid? Check all that apply. A. int i = new int(30); B. double d[] = new double[30]; C. char[] r = new char(1..30); D. int i[] = (3, 4, 3, 2); E. double f[] = {2.3, 4.5, 6.6}; F. char[] c = new char(); |
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