What is the value of vals[4][1]? double[][] vals = {{1.1, 1.3, 1.5}, {3.1, 3.3, 3.5}, {5.1, 5.3, 5.5}, {7.1, 7.3, 7.5}};

Answers

4

Explanation:

by counting the number of the colum to. be counted well and nicely

Option 3 i.e., 7.3 is the correct answer to the following question.

Explanation:

In the following two dimensional array that is the double data type 2-D array variable "val" and it contains some float type information in the form of matrix that has 4 rows and 3 columns, In the following statement, they asked the value of 4th row and 2nd column and in the matrix 4th row and 2nd column contain the value i.e., 7.3.

When the user concludes the value of "vals[4][1]", then it will give an exception of "".

Explanation:

It is because the size of the above array is [4*3] which takes the starting index at [0][0] and ending index at [3][2]. It is because the array index value starts from 0 and ends in (s-1). When the double dimension array size is [5][5], then it will conclude the value of [4][1].The above array have following index which value can be calculated :-- [0][0],[0][1],[0][2],[1][0], [1][1],[1][2], [2][0], [2][1], [2][2],[3][0],[3][1] and [3][2].


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